听力原文:W: What a busy day! I'm glad you are here. We have to work overtime today. M: Oh, terrible! But frankly speaking, John is an easy boss to work for, isn't he? W: Absolutely! I have never had a better one. I don't mind doing extra work for John, and his management style. is completely different. M: Yes. He is creative. He give us a task to do, and let's us decide how to do it. Who is John in the dialog?