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".
One example: Hello. How may I aid you today?
Solution is here: agent
Explanation: This is a pretty straightforward dialogue, and the speaker wants to help the other. So, the agent is the speaker.

Now, solve this: Your flight booking is done.
Solution:
agent