美联航禁止第三方 AI 代理代订机票
美联航明确禁止个人 AI 助手在其平台代订机票，理由是隐私泄露、非授权购买以及无法满足联邦航空安全告知义务（如行李无爆炸物声明）。尽管目前实际使用量极低，此举标志着企业开始为自主代理的权限边界设立防御性护栏，与银行、电商平台近期的类似限制形成共振。
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United says it won’t let personal AI assistants book tickets on the airline, citing both privacy and regulatory concerns.
The company says it hasn’t yet seen many people try to use AI agents to book their flights, The Wall Street Journal reports, in line with observations from other businesses like Doordash. But United is concerned that agents could expose customers’ information or make purchases they didn’t intend, and potentially skirt federal rules about the kind of information airlines need to share with customers — like having them attest that their bags don’t have explosives.
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While agents can still show users United flights, they won’t be able to actually complete the transaction on their behalf. The decision, and others like it, could limit the potential usefulness of newer personal AI assistants like Meta’s Muse and OpenAI’s Dots. “To be honest, I don’t want to create another middleman,” United CEO Scott Kirby said at an event on Tuesday, according to the Journal.
Across sectors, businesses are grappling with whether to let AI agents transact on their sites, and United is not alone in blocking access for unauthorized agents. eBay appeared to block agents from browsing the site, and several major banks have also placed restrictions on them. United suggests it could reconsider its decision based on future advancements. “As third-party AI agents advance, we see the opportunities they present. However, at the same time, allowing them to interact directly with a United account or booking could involve sensitive actions, and we want to make sure we have established protections for travelers first.”