Domains: train, hotel

user: I need to get to cambridge after 19:30

assistant: There are more than 300 trains that arrive in cambridge after 19:30. What day were you looking to travel and from where?

user: I'd be leaving from London Liverpool Street on Saturday.

assistant: Yes I have a train leaving from Liverpool Street that will arrive in Cambridge at 19:39. Would you like me to book that for you?

user: How long is the travel time, and what is the price for that train please?

assistant: Sure, the travel time is 88 minutes, and the price is 13.28 pounds. Would you like to book it, if so how many riders will there be?

user: No that's OK, I'll book it later if I need to. Can you tell me anything about a lodging place named "A and B" something?

assistant: Sure. It's called a and b guesthouse, found on 124 tension road and is in the moderate price range.

user: I'd like to go ahead and book that for 1 person, 4 nights starting on Saturday night. I will need the reference number once it's made.

assistant: You have been successfully booked and the reference number is L1M02MWF . Can I help you with anything else?

user: No, indeed. That will be all. Thank you.

assistant: You are welcome. Have a very nice day.