public void CreationMenu()
{
Console.WriteLine("Press 1. If you want to create new passenger\nPress 2. If you want to create new flight");
ConsoleKeyInfo key = Console.ReadKey();
Console.Clear();
switch (key.Key)
{
case ConsoleKey.D1:
case ConsoleKey.NumPad1:
airport.CreatePassenger();
break;
case ConsoleKey.D2:
case ConsoleKey.NumPad2:
airport.CreateFlight();
break;
}
Console.ReadKey();
Menu();
}