answer: Jack Ross calls Mr. Hammer to confirm their appointment and asks for his permission to bring Mr. Huang and Ms. Sun.
documents: #Person1#: Hello, Mr. Hammer. Jack Ross here. I'm calling to confirm our appointment on Monday at ten o'clock in your office.
  #Person2#: Yes. Everything's all set.
  #Person1#: I'd like to bring Mr. Huang and Ms. Sun with me.
  #Person2#: We're supposed to be meeting alone.
  #Person1#: I know, but I think they may add something valuable to the discussion.
  #Person2#: Fine. But no one else, OK?
  #Person1#: Yes, Mr. Hammer.