// Constructor
 private BookingSingleton()
 {
     // Initialize object instance
     Customer      = new Customer();
     Accommodation = new Accommodation();
     _user         = UserSingleton.GetInstance();
 }
 public static void AddValues(Customer customerx, Accommodation carx)
 {
     Customer      = customerx;
     Accommodation = carx;
     Employee      = _user.GetCurrentUser();
 }