code: def default_get(self, fields):
          
          if self._context is None:
              self._context = {}
          res = super(QuickRoomReservation, self).default_get(fields)
          if self._context:
              keys = self._context.keys()
              if 'date' in keys:
                  res.update({'check_in': self._context['date']})
              if 'room_id' in keys:
                  roomid = self._context['room_id']
                  res.update({'room_id': int(roomid)})
          return res
docs: To get default values for the object.
          @param self: The object pointer.
          @param fields: List of fields for which we want default values
          @return: A dictionary which of fields with values.