In this task, you are given a dialogue from a conversation between an agent and a customer. Your task is to determine the speaker of the dialogue. Answer with "agent" or "customer".

Q: Hello. How can I guide you?

A: agent
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Q: Ok, please wait till I check with your existing reservation.

A: agent
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Q: Your ticket is booked with 1002 flight number.

A:
agent
****
