Given the task definition, example input & output, solve the new input case.
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: Hello. How may I aid you today?
Output: agent
This is a pretty straightforward dialogue, and the speaker wants to help the other. So, the agent is the speaker.

New input case for you: Barbara Jones.
Output:
customer