answer: #Person2# wants a double room. #Person1# tells him children are half price.
documents: #Person1#: Good morning, sir. What can I do for you?
  #Person2#: I want to check in.
  #Person1#: Have you made a reservation?
  #Person2#: No, I want a double room. By the way, is there any discount for children?
  #Person1#: Yes, children are half price.
  #Person2#: Ok, please have me arrange one.