public void Departure() { Greeting(); Introduce(); GoTo(); CheckIn checkIn = new CheckIn(_passenger); checkIn.Hello(); checkIn.Check(); checkIn.Goodbye(); SecurityCheck securityCheck = new SecurityCheck(_passenger); securityCheck.Hello(); securityCheck.Check(); securityCheck.Goodbye(); PassportControl passportControl = new PassportControl(_passenger); passportControl.Hello(); passportControl.Check(); passportControl.Goodbye(); }