U: I need a train arriving in Cambridge by 20:45.

S: There are many trains arriving at Cambridge by 20:45. Where would you be departing from, and on which day?

U: I will be departing from stansted airport on wednesday.

S: What time would you like to depart from Stansted airport?

U: The departing time is flexible, I just need to get to cambridge by 20:45 please and may I have the price as well?

S: I have a train arriving in in Cambridge at 5:52pm on that day. The price is 10.10 pounds. Will this work for you?

U: Yes. I am also looking for a place to stay.

S: Your train reference number is 4FQ0OYNJ. As for lodging, what type of establishment, price range, or area can I look for?

U: I would like a three star hotel that is expensive.

S: There are 2 hotels matching that criteria: Gonville Hotel and The Lensfield Hotel.

U: OK, I need rooms for 7 people for 4 nights, starting on Wednesday. Can you tell me which of the two hotels are available then?

S: The Gonville Hotel is available, and your reference number is 7JS42213.

U: Are the rooms cleaned before I check in?
S: Unfortunately, the reviews reflect the rooms not being clean before the guests checked in. Do you have any other questions?