//toString public override string ToString() { return(string.Format("{0};{1};{2};{3};{4}", Destination, Name, PassportNo, Departure.ToShortDateString(), Return.ToShortDateString())); }
public override string ToString() { return($"flight number: {FlightNumberId} , depature: {Departure.ToShortDateString()} ," + $"Description : {Description} , airline : {AirLine} "); }