Patent ID: 8700436

Claim:
A server system of a group reservation support system where a terminal of each member forming a group of a plurality of members and the server system supporting an accommodation plan reservation procedure carried out by an organizer representing the group via a Web page are connected through a communication network; capable of accessing: a reservation information storage unit capable of storing, in association with a reservation number, identification information of an organizer, identification information of an accommodation plan, and an order quantity of the accommodation plan; and a tentative reservation information storage unit capable of storing, in association with a tentative reservation number, identification information of an organizer, identification information of an accommodation plan, a tentative order quantity of the accommodation plan, and number of members decided to participate; and the server system comprises: a tentative reservation application information receiving unit configured to receive the identification information of an organizer, the identification information of an accommodation plan, and the tentative order quantity of the accommodation plan from a terminal of the organizer; a tentative reservation information registration unit configured to write the received information items in association with a tentative reservation number into the tentative reservation information storage unit; an approval request email creation and sending unit configured to create an approval request email at least containing a tentative reservation identification data, corresponding to the tentative reservation number and sending the approval request email to the terminals that are used by members other than the organizer; a response receiving unit configured to receive a response data containing the tentative reservation identification data from the terminal of a member other than the organizer; a first reservation placement determination unit configured to obtain a number of members decided to participate corresponding to the tentative reservation number, identified by the tentative reservation identification data, and updated based on the response data and configured to determine that a reservation of an order quantity of one is to be placed each time the updated number of members decided to participate reaches a multiple of a maximum number of guests allowed for a room type of an accommodation plan; and a reservation information partial registration unit configured to, in response to the determination of the first reservation placement determination unit, write identification information of an organizer and identification information of an accommodation plan corresponding to a tentative reservation number related to a tentative reservation determined that a reservation is to be placed and the order quantity of one in association with a new reservation number into the reservation information storage unit.