U: I want to see local sights, can you help?

S: Yes, there is a wide variety, do you have an activity type that your are interested in?

U: I like hiking and seeing historical sites.

S: I'm sorry, there does not seem to be a historical site or hiking area in Cambridge. Is there anything else I can help with?

U: Yes, I would like to find a hotel in the cheap price range?

S: Sure, I can help you with that.  What section of town were you looking for?

U: i don't really care about the area.

S: Okay. Are you interested in hotels that offer internet and/or parking?

U: Doesn't really matter if they offer either of those or not. I just want it to be a 0 star hotel.

S: City Cenrtree North and B is a cheap hotel,would you like me to book it for you ?

U: Are the rooms kept clean there?
S: Yes, all of the reviews I found say that the hotel is exceptionally clean, would you like to book a room?