U: I'm looking for a train to London King Cross leaving Friday.

S: Okay, when would you like to leave or arrive by?

U: I will be coming from cambridge and would like to arrive by 13:30.

S: TR1502 leaves at 11:00 and arrives by 11:51. Does that work for you?

U: Yes. How much will the ticket cost?

S: The cost per ticket is 23.60 pounds. Would you like to book a seat on this train?

U: Not yet. I'm looking for a place to stay. I'd prefer a guesthouse with four stars. Can you find one?

S: There are 18 results, can you be more specific as to what you're looking for?

U: Are there any in the north, and in a moderate price range?

S: Yes, we have 7 hotels matching your request. Is parking a necessity?

U: Yes I'd like free parking, could you give me the postcode for one?

S: Sure.  I recommend Acorn Guest House- it is postcode cb41da.  It is in the north and moderate price as requested.  Want me to book it?

U: Does it mention having spotless rooms?
S: According to most guests of Acorn Guest House, the rooms were clean. One guest mentioned that the room was not clean at first but then was corrected so that it was clean.