United Airlines, a major U.S. airline, announced on November 11 (local time) that it would prohibit the use of its services by unauthorized third-party personal AI agents or AI assistants. In addition to directly restricting their use on its website and app, it will also restrict use through travel agencies and booking sites (aggregators). It will also revise its policies on reservations, ticket issuance, and sales. The company did not specify which AI age