U: I need some information on a train going to cambridge.

S: I'd love to help you with that! What day are you headed out?

U: Sunday. Sometime after 21:00, if possible.

S: There are multiple trains headed to cambridge sunday after 21:00. Where are you leaving from?

U: I am leaving from ely.

S: I have train TR4205 that leaves at 21:35 and will arrive in Cambridge at 21:52. The price per ticket is 3.52 pounds. Would you like a ticket for this train?

U: yeah, i need eight tickets.

S: Booking was successful, the total fee is 28.16 GBP payable at the station, your reference number is  0V72HM78. Will that be all?

U: I also need a guesthouse located in the north.

S: There are several choices, but all are priced either cheap or moderate. Which would you prefer?

U: Are there any with a star of 4? I'd like free parking as well if that is available.

S: I have 7 entries that fit your criteria. 6 are moderately priced, and one is cheap. Would you like information about any of these?

U: Yes info on the cheap price range

S: Worth house is in the cheap price range and located at 152 chesterton road

U: Do they mention having clean bathrooms?
S: Yes, the bathrooms at Worth House seem to be very clean. Past guests have said the were some of the cleanest they've ever seen, and didn't even see water spots.