public void GoToPassportControl(Person person) { MenuShift(); _mainMenu.ShowPassportControl(); if (PassportControl.CheckForValidPassport(person)) { Console.WriteLine("All is right! Now you should go to luggage control."); Thread.Sleep(3000); GoToLuggageControl(person); } else { Console.WriteLine("Sorry, your passport invalid, you can't uses our services.\nGood bye"); GoBack(); } }