Can you help me find a place to stay that is moderately priced and includes free parking?
I found 14 hotels that match your criteria. Do you have any additional preferences such as location or number of stars?
free parking and moderate pricing
Would you like a certain area of town?
Yes, can you check the north please?
There are 9 hotels that match your criteria. Would you prefer a guesthouse or a hotel?
No preference. I need someplace that can accommodate a party of 4 for 5 nights beginning Wednesday.
How about home from home, a 4star guesthouse located at 78-80 milton road?
Yeah, can you book it for 4 people and 5 nights? I want to get there on wednesday.
Okay, I have made your reservation with reference #I1RR2BG7. Can I assist you with anything else?
Can you locate a shopping mall near the hotel?
there aren't any shopping malls.
Could you recommend a good place for shopping?
I only have attraction information. 
Ok.  I need a train after 14:00 on Wednesday. It needs to leave from London Liverpool Street and get to Cambridge.  I need the train ID please.
The TR7978 is the one you are looking for. It leaves London Liverpool Street and 15:39 and arrives at Cambridge at 17:07. Do you need me to book it for you?
Great that was all the info I needed today, thanks!
Great. Please enjoy your stay at Cambridge and thank you for choosing our help desk.