I am looking for a place to stay. It should have free wifi and free parking.
There are close to 30 to choose from. They are spread out throughout town. Is there an area you prefer? 
I'd like to stay in the north part of town.
Do you have a preference for a guesthouse or a hotel?
I would like it to be in the moderate price range. Can you help me make a booking somewhere that fits what I need or should I go elsewhere?
I can book you a room at the acorn guest house.  What day would you like to arrive and how long will you stay?
Does it have free wifi and parking?
Absolutely.  It is a great 4 star guesthouse located at 154 Chesterton Road.
Perfect. I'd like to book it from Thursday for 5 people. We'll be staying for 5 nights.
Excellent. Your booking was successful and the reference number is T4EPI1BI. Is there anything else I can help you with?
Yes.  I also need a train from cambridge to birmingham new street.
Sure, I have many I can help you choose from.  Can you tell me what day you'll be traveling?  It looks like this train will cost 75.10 pounds.
no I just need the departure time and the train id please
Yes, what day will you be traveling and I would be happy to help with that. 
I will be traveling on monday.
What time on Monday would you need to arrive in birmingham new street?
I need it to arrive by 18:15. 
Train ID#TR5435 departs Cambridge at 15:01and arrives at Birmingham new street at 17:44. May I help you with anything else?
No, that's everything I needed today. You were very helpful, thank you!
Thank you. Let us know if you need further assistance.