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".

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

[Q]: Do you prefer any flag station in between the journey?
[A]: agent

[Q]: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
[A]:
agent