U: Would I be able to get a train from Cambridge to London King's Cross?

S: Sure!  What day will you be travelling?

U: I need to leave after 21:15 on saturday

S: TR0925 leaves cambridge at 21:00 and arrives in cambridge at 21:51. The price is 18.88 pounds. Would you like me to book it for you?

U: Yes. Please book me 2 tickets and provide me a reference number.

S: Your reference number is VYR91INX. Is there anything else I can help you with?

U: I'm also looking for a place to stay in the north. I'd like it to have a rating of 4 stars.

S: I have 8 different guesthouses in the north.  Do you have a preference on price?

U: No preference on price and it doesn't have to include parking.

S: I have the acorn guest house located at 154 chesterton road.

U: Do they offer clean rooms to stay in?
S: Most of the guests agree that the rooms here are really clean while one person said that the room was not clean at first but then it was promptly taken care of.