1. A vending system located in a room, comprising: a compartment unit including compartments, each of the compartments having a locking device and a door that can be locked by the locking device and storing goods to be purchased, and each of the compartments assigned an offer number and a price for the goods contained therein; and a computing unit connected to the locking device of each of the compartments, and assigning the offer number and the price to each of the compartments containing the goods using at least one of text and visual information; and a presentation unit connected to the computing unit, the presentation unit including at least one memory device connected to the computing unit and storing the at least one of text and visual information about the goods stored in the compartments; communication means for communicating the offer number and the price to a customer assigned by the computing unit; and an input device connected to the at least one memory device, and receiving from the customer reservation information to reserve one of the compartments, the reservation information including the offer number and identification information to identify the customer, wherein the computing unit receives the reservation information from the presentation unit and updates the at least one of text and visual information stored in the at least one memory device preventing previously purchased goods from being offered for sale to the customer.