Hi programmers Please comment

[Sarmadas]

I spent 6 ours on it although i didn't include Modify and delete in the menu but all i want is that please comment is it good or this needs more improvement

#include <iostream>
#include <conio.h>
#include <fstream>
#include <string>
#include <ctype.h>
using namespace std;

class traval_agen{
public:
	friend ifstream& operator >>(ifstream&,traval_agen&);
	friend ofstream& operator <<(ofstream&,traval_agen&);
	friend ostream& operator <<(ostream&,traval_agen&);
	friend istream& operator >>(istream&,traval_agen&);
	void display();
	void search();
	void registration();
	
	
private:
	string place;
	string vehicle;
	string board;
	string name;
	string address;
	string date_registration;
	string seats;
	string days;
	char client_number[20];
 
string client_phone_no;
	int total_cost;



};
ifstream& operator >>(ifstream& show,traval_agen& g)
{

	
	getline(show,g.name);
	getline(show,g.address);
	show.getline(g.client_number,20);
	getline(show,g.client_phone_no);
	getline(show,g.date_registration);
	getline(show,g.place);
	getline(show,g.days);
	getline(show,g.seats);
	getline(show,g.vehicle);
	getline(show,g.board);
	return show;
}
istream& operator >>(istream& in,traval_agen& g)
{
	
	cout<<"Please enter your Full Name: ";
	getline(in,g.name);
	cout<<"Please enter your adress: ";
	getline(in,g.address);
	cout<<"Please Enter Your Diser Id Number: ";
	in>>g.client_number;
	cout<<"Please enter your Phone Number: ";
	in>>g.client_phone_no;
	in.ignore();
	cout<<"Date Of registration: ";
	getline(in,g.date_registration);
	cout<<endl<<endl;
	cout<<"Enter your Travling Information"<<endl<<endl;
	cout<<"Enter Place From where to Where: ";
	getline(in,g.place);
	cout<<"How many days you want to stay: ";
	in>>g.days;
	cout<<"How many sets whould you like to Book: ";
	in>>g.seats;
	in.ignore();
	cout<<"Enter The Vehicle Name In which you want to traval: ";
	getline(in,g.vehicle);
	cout<<"Enter the color of the board: ";
	getline(in,g.board);
	return in;
}
 ofstream& operator <<(ofstream& inputFile,traval_agen& g)
{
	    inputFile<<"Name:"<<g.name<<endl;
		inputFile<<"Adress: "<<g.address<<endl;
		inputFile<<"Client No: "<<g.client_number<<endl;
		inputFile<<"Client Phone No: "<<g.client_phone_no<<endl;
		inputFile<<"Registration Date: "<<g.date_registration<<endl;
		inputFile<<"Place: "<<g.place<<endl;
		inputFile<<"Days: "<<g.days<<endl;
		inputFile<<"Seats: "<<g.seats<<endl;
		inputFile<<"Vehicle: "<<g.vehicle<<endl;
		inputFile<<"Board: "<<g.board;
		return inputFile;
}
ostream& operator <<(ostream& os,traval_agen& i)
{
	os<<"Personal Information"<<endl<<endl<<i.name<<endl<<i.address<<endl<<i.client_number<<endl<<i.client_phone_no<<endl<<i.date_registration<<endl<<endl
	<<"Trval Information"<<endl<<endl<<i.place<<endl<<i.days<<endl<<i.seats<<endl<<i.vehicle<<endl<<i.board<<endl;
	return os;
}
void traval_agen::display()
{
	int choice = 0;
	cout<<"Users List Is Below"<<endl<<endl;
	char user_num_id[25];
	int i = 0;
	ifstream ids;
	ifstream u_num;
	u_num.open("user_num.txt");
	ids.open("IDS.txt");
	u_num>>i;
	cout<<endl;
	cout<<"Ids  "<<"Names"<<endl<<endl;
	for(int j = 0;j<i;j++)
	{
		ids.getline(user_num_id,25,'*');
		cout<<user_num_id<<endl;
	}
	cout<<"To check your Recoard Press 1 To exit press any key: ";
	cin>>choice;
	ids.close();
	u_num.close();
		if(choice == 1)
		{
			system("cls");
			 search();
		}
}

void traval_agen::search()
{
	int choice = 0;
	char *c;
	ifstream show;
	char id[20];
	cout<<"Please Enter Your Id to display your information: ";
	cin>>id;
	c = strcat(id,".txt");
	show.open(c);
	if(!show)
	{
		system("color 04");
		cout<<endl;
		cout<<"*************..Recod Not Found..*************"<<endl<<endl;
		cout<<"Press Any key to try again: "<<endl;
		_getch();
		system("color 07");
		system("cls");
		 search();

	}
	show>>(*this);
	cout<<endl<<endl;
	cout<<"*************..Recod Found..*************"<<endl<<endl;
	cout<<(*this);
	cout<<"Total Cost Is: "<<"10,000"<<endl<<endl;
	cout<<"To search another Record Press 1 To exit Press Any key: ";
	cin>>choice;
	show.close();
	if(choice == 1)
	{
		system("cls");
		search();
	}



}

void traval_agen::registration()
{
	cout<<"Enter Your Personal Information"<<endl<<endl;
	char id[20];
	int i = 0;
	ifstream user_num;
	ofstream users_num;
	ofstream output;
	ofstream onputFile;
	user_num.open("user_num.txt");
	cin.ignore();
	
	output.open("IDS.txt",ios::app);
	cin>>(*this);
    strcpy(id,this->client_number);
	output<<id<<": "<<this->name<<'*';
	strcat(id,".txt");
	onputFile.open(id,ios::app);
		onputFile<<(*this);
		cout<<"Total Cost of the traval is: "<<"10,000"<<endl;
		cout<<"your Registration Has been submited"<<endl;
		user_num>>i;
		i++;
		users_num.open("user_num.txt");
		users_num<<i;
		output.close();
		onputFile.close();
		users_num.close();
		user_num.close();


}
int main()
{
	int choice = 0;
	traval_agen reg;
	traval_agen dis;
	int i;
	cout<<"Select Your Choice"<<endl<<endl;
	cout<<"For Registration Press .................... 1"<<endl;
	cout<<"For Display Press ......................... 2"<<endl;
	cout<<"For Searching Your data Press ............. 3"<<endl;
	cout<<"For Exit press .............................6"<<endl<<endl<<endl<<endl;

	cout<<"Please Chose your Choice From the Above Menu: ";
	cin>>i;
	switch(i)
	{

	case 1:
		system("cls");
	reg.registration();
	break;
	case 3:
		system("cls");
	    dis.search();
	break;
	case 2:
		system("cls");
		dis.display();
		break;
	case 6:
		exit(0);
	break;
	default:
		exit(0);
	}
	cout<<"If you want to go to the main menu press 3: ";
	cin>>choice;
	if (choice == 3)
	{
		system("cls");
		return main();
	}
}

[Sarmadas]

and please don't comment about the spellings mistakes i know my spellings are not good