TASK DEFINITION: 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".
PROBLEM: Sure, I will help you with that. Please wait for a minute, I will check with the reservation and revert to you.

SOLUTION: agent

PROBLEM: I would like to visit Houston as a round trip, please book a ticket from IAH to IAH.

SOLUTION: customer

PROBLEM: Sorry to inform that, there is no reservation found on your name.

SOLUTION:
agent