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 Q]: Thank you for waiting, we found a reservation on your name and it has been cancelled as per your request.
[EX A]: agent

[EX Q]: My boarding point is from Minneapolis & St.Paul, MN - MSP.
[EX A]: customer

[EX Q]: I am Emma Baker, I would like to travel to San Francisco, SFO. So will you help me to reserve a flight ticket?
[EX A]:
customer