C++ for banking transaction demo

//lastbenchers.org
#include <iostream>
using namespace std;
class transaction //declaration of class
{ 
int amount=10000; //private data member
public: //starting public function 
    void usercheck()
    {
        int user, password; // declaration of user id and password
        cout<<"enter your user id \n";
        cin>>user;
        cout<<"enter your password \n";
        cin>>password;
        if(user==123456 && password==1234) // checking login details
        {
            //int user, password;
            int choice;
            cout<<"you have logged in successfully \n";
            abc:
            cout<<"enter 1 for balance enquiry 2 for deposit 3 for widthdraw \n";
            cin>>choice;
            switch (choice) //checking choice using switch case
            {
            case 1:
                {
                    balanceinfo();
                    break;
                }
            case 2:
                {
                 deposit();
                 break;
                }
            case 3:
                {
                    wid();
                    break;
                }
            default:
                cout<<"please! enter a right choice "<<endl; //if choice does'nt match
            }
            char oh;
   cout<< "want to do another transaction press y \n"; //asking for another transaction
    cin>>oh;
    if(oh=='y' || oh=='Y')
       // return usercheck();
       goto abc;
        }
        else
        {
        cout<<"login details may be wrong try again \n";
        char oh;
        cout<< "Do you want to login again?, press y \n";
    cin>>oh;
    if(oh=='y' || oh=='Y') //allow to login again
        return usercheck();
        }
    }
    void balanceinfo() // balance enq function
    {
        cout<<"your available balance is $ "<<amount<<endl;
    }
    void deposit() //deposit function
    {
        int in;
        cout<<"enter an amount \n";
        cin>>in;
        amount=amount+in;
        cout<<"you have deposited "<<in<<" and now your balance is "<<amount;
    }
    void wid() //balance withdrawal function
    {
     int in;
        cout<<"enter an amount \n";
        cin>>in;
        if(in<=amount)
        {
        amount=amount-in;
        cout<<"you have taken "<<in<<" and now your balance is  $"<<amount<<endl;
        }
        else
        {
            cout<<"you  have less balance \n"<<endl;
           // cout<<" you have only $"<<amount<<" in your balance "endl;
        }
    }


};
int main()
{
    transaction u;
    u.usercheck(); //calling class 
    return 0;
}