| 摘要 |
Guest room vacancy information 221d is stored by guest room information storing means 30, corresponding to respective time blocks 221c obtained by dividing 24 hours, and an input of a room entry time and a room leaving time which an accommodation user desires is received by input receiving means 10. Then, using vacancy information retrieving means 20, the guest room vacancy information 221d corresponding to a room entry time block including the room entry time received by the input receiving means 10, and the guest room vacancy information 221d corresponding to a room leaving time block including the room leaving time received by the input receiving means 10 are retrieved from the guest room information storing means 30 to output a retrieval result obtained by the retrieval, by output means 40. <IMAGE> |
