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]: Ok fine.
[EX A]: customer

[EX Q]: Destination airport code is IL - ORD. My return date is 06/19.
[EX A]: customer

[EX Q]: Would it be possible to cancel my reservation, which I have done with my name?
[EX A]:
customer