answer: #Person1# is calling #Person2# to ask for some information about the trip to Kathmandu. #Person2# tells #Person1# some details about a special kind of bus they will take, what to bring, etc.
documents: #Person1#: Hello. I'd like some information about the trip to Kathmandu.
  #Person2#: Yes, of course. How can I help you?
  #Person1#: Well, how do we travel?
  #Person2#: It's a special kind of bus with room for sleeping.
  #Person1#: And how many people in a group?
  #Person2#: Well, the bus sleeps 10. Usually, there are 8 travelers and 2 drivers, and a girl to look after you.
  #Person1#: So, we sleep normally on the bus?
  #Person2#: Yes. The bus is fully equipped for cooking, and it's got a shower system that we put up every morning if the weather permits.
  #Person1#: Uh...We leave from London?
  #Person2#: Yes, and returned to London.
  #Person1#: Is there anything special we need to bring?
  #Person2#: Oh, we give everyone a list of suitable clothes and all the things to bring. Of course, space is limited.
  #Person1#: Oh yes, I understand that. Now, can you tell me about the time to book?
  #Person2#: Well, it depends. Usually 6 or 8 months before your trip. Could you come to our office and we can go over the details if you're interested it?
  #Person1#: OK. I'll come and see you next Wednesday.
  #Person2#: Yes, thanks for ringing.