Method and computer program product stored on a tangible medium that store instructions including providing a procedure file, storing and managing a plurality of tickets, each ticket including a first identifier given to a commodity, and searching, based on the first identifier and a ticket request submitted by a user, a ticket of the plurality of tickets corresponding to the first identifier. The method and computer program product then presents information about the commodity included in the ticket, information about a service that provides the commodity, and service provision content information acquired during the search.