answer: #Person1# serves #Person2# to book a double room for one night and #Person2# pays $68 with his credit card.
documents: #Person1#: Good afternoon, sir. Can I help you?
  #Person2#: Yes, we need a room for the night. Have you got any rooms available?
  #Person1#: Yes. What do you like a single room or a double room?
  #Person2#: A double room.
  #Person1#: How many nights would you like to stay?
  #Person2#: We're only staying overnight. We'll check out tomorrow morning.How much is it?
  #Person1#: It's $68 per night.
  #Person2#: OK. Do you accept credit cards?
  #Person1#: Yes, we do. Now your room number is 204. Here is the key.
  #Person2#: Thank you.