United Airlines blocks AI agents from booking flights

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United Airlines prohibits personal AI agents from accessing its systems to complete flight bookings, while still allowing them to search for and display flight options and prices. The company is concerned that bots could expose sensitive customer data, make unintended purchases, or violate customer disclosure requirements, and therefore blocks them from completing financial transactions on its website. Its backend technology can identify whether a booking comes from a consumer, a traditional travel agency, or an AI agent. Bookings by automated assistants remain limited for now.