U: I want to find a guesthouse in the south area of Cambridge.

S: I found a few different options, ranging from cheap to moderate. What is your price range?

U: Expensive. Thank you.

S: I do not have an expensive guesthouse in the South.  Would you like to try a different area of town?

U: Yes, try the north please.

S: I would suggest avalon. Do you need me to book this?

U: actually, i still want a place in the south. maybe try a moderate price range.

S: Bridge guest house is a nice place would you like me to book it for you ?

U: Are the rooms clean at the Bridge Guest House?
S: Guests note that the rooms are impeccably clean. Can I answer any other questions about the guest house for you?