using System;

​

public class AirTicket

{

    protected static int flightNumber;

    protected static DateTime date;

    protected static DateTime Time;

    protected static string destination;

}

​

public class RequestTicket : AirTicket

{

    private string status;

    public RequestTicket(int fl , DateTime d , DateTime t , string des)

    {

        flightNumber = fl;

        date  = d;

        Time = t;

        destination = des;

    }

}

​

public class ConfirmedTicket : AirTicket

{

    private string seatNumber;

    /*public ConfirmedTicket(int fl , DateTime d , DateTime t , string des , string seat)

    {

        flightNumber = fl;

        date  = d;

        Time = t;

        destination = des;

        seatNumber = seat;

    }*/

    public ConfirmedTicket(string seat)

    {

        seatNumber = seat;

    }

}

​

​

public class Program

{

    public static void Main()

    {

        RequestTicket r = new RequestTicket(302 , System.DateTime.Parse("2020-03-15") ,System.DateTime.Parse("5:15:00") , "Amritsar");

    }

}