U: I would like to find a guesthouse in Cambridge that has free wifi.

S: I have 32 hotels. Do you have any other preferences?

U: I'm looking for a guesthouse in the cheap price range.

S: In what area of town would you like it to be?

U: I don't have a preference but I would like free wifi, parking in a guesthouse in the cheap price range.

S: I found 9 hotels that meet your criteria. Do you have a preference on the hotels star rating?

U: No, I don't have any preference on star rating.  Whichever one that meets my previous criteria would be great.

S: I recommend the Allenbell. Would you like me to book a room for you?

U: Do the showers have high water pressure?
S: The water pressure is low which reduces the enjoyment of taking a shower. Do you have any other questions?