Because on the day the customer comes to the hotel and the tour guide says, but 10 to reserve rooms at hotel booking documents, there have been only 8 rooms. 2. reserved on behalf of gulliver, we don't know what will come.
As the day that the customer has been notified that book Guide to the hotel, and the room is 10 Ajarn documents but the booking at the hotel has been there are only 8 rooms only. And the other 2 rooms are booked in the name of gulliver, we do not know whether it will be simultaneously.