public HallSchedule CreateHallSchedule(string number, Hall hall)
        {
            HallSchedule hallSchedule = new HallSchedule()
            {
                Number = number,
                Hall   = hall
            };

            return(hallSchedule);
        }
        public Ticket CreateTicket(int id, Movie movie, HallSchedule hallSchedule, decimal price, User user, int seat)
        {
            Ticket ticket = new Ticket()
            {
                Id           = id,
                Movie        = movie,
                HallSchedule = hallSchedule,
                Price        = price,
                User         = user,
                Seat         = seat
            };

            return(ticket);
        }