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".

Ex Input:
I prefer only connecting flight.

Ex Output:
customer


Ex Input:
Can you please help me in booking from LAS to DCA?

Ex Output:
customer


Ex Input:
Can you please help me to book a ticket from AUS to DEN?

Ex Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
customer


