answer: Jesse calls United Airlines to confirm her flight and asks for the check-in time.
documents: #Person1#: Hello, this is United Airlines.
  #Person2#: Hello, I want confirm my flight. My name is Jesse.
  #Person1#: When is your flight?
  #Person2#: June loth.
  #Person1#: One first class seat on flight YW132, is that right?
  #Person2#: Yes, thanks. By the way, what time do I have to start check-in?
  #Person1#: You are supposed to check in at least one hour beforehand.