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AI Voice Agent Bug Falsely Confirmed Restaurant Bookings That Were Never Made

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A developer maintaining Oathra, an open-source AI agent runtime, discovered that the system was incorrectly marking restaurant reservation calls as successfully completed when they were not. The bug stemmed from the agent's inability to distinguish between genuine booking confirmations and ambiguous or retracted responses from restaurant staff, such as tentative holds or last-minute cancellations. Five distinct conversational patterns were identified where the AI misread clerk responses — including negated time references and availability retractions — as successful bookings. A targeted fix was issued as PR #37, and the runtime now reports zero false completions across 10,000 adversarial test dialogues. The developer has also made a public transcript-checking tool available for others running voice agents to test their own call logs.

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