public List <Reservation> ReservationsList()
        {
            IRead readFile = new ReadFile(fileNameReservations);
            IConverter <Reservation> converterReservation = new ConverterReservation();

            return(converterReservation.Convert(readFile.Read()));
        }
        public List <Customer> CustomersList()
        {
            IRead readFile = new ReadFile(fileNameCustomers);
            IConverter <Customer> converterCustomer = new ConverterCustomer();

            return(converterCustomer.Convert(readFile.Read()));
        }