answer: #Person2# reserves a ticket to London on May fifth at 9:30 AM and pays 2250 yuan for it with #Person1#'s help.
documents: #Person1#: Hello, China Travel Agency. Can I help you?
  #Person2#: Yes, I'd like to travel to London. So I want to make a reservation for me on May fourth.
  #Person1#: Just a moment, please. I'm sorry, but the flights are fully booked on that day. The next available flight is on May fifth. They have 2 flights: one at 9:30 AM and the other at 2:00 PM. Both flights have seats available.
  #Person2#: That's great. I'd like to take the first available flight. What's the fair, please?
  #Person1#: 2250 yuan.
  #Person2#: Here is 2300 yuan.
  #Person1#: Thank you. Here's the change for you and here are the ticket and receipt. Have a good time!