Detailed Instructions: 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".
See one example below:
Problem: Hello. How may I aid you today?
Solution: agent
Explanation: This is a pretty straightforward dialogue, and the speaker wants to help the other. So, the agent is the speaker.

Problem: Can you please book a flight ticket from HOU to EWR?
Solution:
customer