In this task, you are given an utterance, which is a part of a conversation between a user and an agent. Your job is to detect the speaker. The user usually commands the agent to schedule events, retrieve event information, and check the schedule. While the agent's response is an answer to the user's questions or follow-up questions on the user's command. Answer with "User" or "Agent".
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Question: Oh no, sorry I meant lunch date

Answer: user


Question: Do I have anything going on for February 22?

Answer: user


Question: Can you search for when my last dentist appointment was?

Answer:
user