I'm looking for a place to stay that is moderately priced and includes free parking.
Do you want to stay in a specific area of town? And would you be fine staying at a guesthouse?
I would like to stay in the centre of town. A guest house is fine.
It looks like we don't have anything moderately priced in the center of town. Would you like to try a different area?
Yes, how about the north?
we have quite a few when are you planning your stay?
Great. can you recommend one and book it for 3 nights coming in on friday. There will be 2 in my party
I was able to book the acorn guesthouse for 3 nights for 2. Reference number is EAFYZ0VC. The address is 154 chesterton road, phone 01223353888. Will you need anything else today?
Yes. I want to go from Cambridge to Peterborough by train.
There are 266 trains matching your query. What day will you be traveling?
I will travel Saturday after 17:45
Okay, I see 12 options here. Would you like me to reserve tickets for you?
Yes, please book the tickets and I need the reference number.
How many tickets will you need on this trip?
I will need 2 tickets please.
Okay, I reserved your tickets. The ref. is R9SEDNSD
Can I get the train ID and departure time for the one you chose?
The train id is TR7918 and it departs at 18:06. Is there anything else I can help with today?
No thanks, that is all. 
Your welcome. Have a lovely trip and day!