Vehicle dispatch system, server, and vehicle dispatch method

A vehicle dispatch system comprising:

• a server;
• and
• a plurality of vehicles, wherein
• each vehicle in the plurality of vehicles includes a vehicle communication interface configured to be able to transmit/receive information to/from the server, and a cabin used for a service to a user,
• the plurality of vehicles include a specific vehicle, a mode of the cabin of the specific vehicle being selectable from a plurality of modes, and the server includes a server communication interface configured to be able to transmit/receive information to/from the plurality of vehicles, and a server controller configured to perform demand forecasting for a plurality of services, determine the mode of the cabin of the specific vehicle based on a result of the demand forecasting, and instruct the specific vehicle to perform a mode change to the determined mode via the server communication interface.