public ConreteFlight(IAirTraficControlMediator airTraficControlMediator, int flighNumber) : base(airTraficControlMediator, flighNumber) { }
public Flight(IAirTraficControlMediator airTraficControlMediator, int flightNumber) { this.airTraficControlMediator = airTraficControlMediator; this.flightNumber = flightNumber; }