I'm looking for a place to stay that offers free wifi
Most of the hotels and guesthouses have free wifi. Is there a particular part of town that you're interested in?
I don't care what part of town it's in, but I would like it to be a hotel rather than a guesthouse, and I'd like it to be moderately priced.
I am not showing anything would you like me to check in a different price range?
Are you sure you can't find any hotels moderately priced with free parking and free wifi anywhere?
Unfortunately there are no hotels or guest houses that meet those criteria. Would you like to try a different price range?
I just need a moderately priced hotel with free wifi and parking. 
I cannot find anything in a moderate price, but I found a cheap hotel for you. It's The Cambridge Belfry in the west. It has 4 stars. Is this alright?
Yes, I'll need the address and I will also need a train from Cambridge to Norwich on Monday, leaving after 20:15
That address is Back Lane, Cambourne.  The TR8636 departs Cambridge at 20:36, would you like to book a seat on that one?
How long is the trip, and what time does it arrive in Norwich?
the trip is 79 minutes long and it will arrive by 21:55.
Thank you for all your help. That is all the information I need.
Glad to be of help. Thanks for using our service. Goodbye.