protected static int flightNumber;
protected static DateTime date;
protected static DateTime Time;
protected static string destination;
public class RequestTicket : AirTicket
public RequestTicket(int fl , DateTime d , DateTime t , string des)
public class ConfirmedTicket : AirTicket
private string seatNumber;
public ConfirmedTicket(string seat)
public static void Main()
RequestTicket r = new RequestTicket(302 , System.DateTime.Parse("2020-03-15") ,System.DateTime.Parse("5:15:00") , "Amritsar");