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: Ok, your ticket has been confirmed in business class.
Example Output: agent

Example Input: Hello, How can I aid you?
Example Output: agent

Example Input: Not a big deal, anyhow thank you very much for your kind information.
Example Output:
customer