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".

Example input: Hello. How may I aid you today?
Example output: agent
Example explanation: This is a pretty straightforward dialogue, and the speaker wants to help the other. So, the agent is the speaker.
Q: Yes, there is a flight as per your requirement. Shall I proceed booking?
A:
agent