Will I be able to find any moderately priced rooms to stay in in the north part of Cambridge?
Definitely! Would you like a guesthouse or a hotel, and do you have a star rating requirement?
I would like a guesthouse. The star rating doesn't matter, but the hotel should include free wifi.
There are a number of guesthouses that fit your criteria. I would recommend the Acorn Guest House. It has a 4-star rating. Does this work for you?
Can you book Acorn Guest House for 4 people for 2 nights starting friday?
The Acorn Guest House was successfully booked for Friday for 2 nights for 4 guests. Your Reference number is : GWZ3QLV5.
Thank you.  That was all I needed.
Can I help with anything else?
I need a train going to Cambridge and arriving by 12:45.
Sure, I can assist you with that.  Where were you wanting to leave from? 
I will need to leave from Ely. 
Would you like me to book that for you?
I would appreciate that. Is there only one option that arrives by the time I need?
There is a train departure on Friday from Ely to Cambridge that arrives by 11:52.  Do you want that instead?