// DELETE: api/Employees/5

        public IHttpActionResult DeleteHotelReservation(int hotelReservationId)
        {
            //Hotel remove_hotel = db.Hotels.Find(hotelId);
            HotelReservation remove_hotel = _hotelReservationService.Queryable().Where(c => c.Id == hotelReservationId).FirstOrDefault();

            //bool remove_hotel_result =
            _hotelReservationService.Delete(remove_hotel.Id);

            if (remove_hotel == null)
            {
                return(NotFound());
            }

            //db.Hotels.Remove(remove_hotel);
            //try
            //{
            //   // db.SaveChanges();
            //}
            //catch (DbUpdateConcurrencyException ex)
            //{
            //    return BadRequest(ex.Message);
            //}

            return(Ok(remove_hotel));
        }