Is there a good restaurant on the north end of town?
Yes! There are quite a few. Do you have a preference for type of food?
An expensive chinese restaurant please located in the north
There are two, one is called Hakka and another is the Hotpot. Would you like a reservation at one of these restaurants?
Yes, can you provide me the address of Hakka?
It's Milton Road Chesterton, postcode cb41jy. Phone number is 01223568988. If you'll tell me how many people and when you'll be dining, I'll be happy to book it for you. 
I don't need a reservation right now, but I am looking for a train. I need to leave Wednesday after 15:45.
I have many options for you. Where are you going and from where are you departing? 
I am looking to leave on wednesday after 15:45 and should depart from cambridge and arrive at london kings cross.
The soonest after 15:45 is TR3843, departing Cambridge at 17:00 and arriving in London at Kings Cross at 17:51. Will that meet your needs?
Yes that would be fine. thank you
Is there anything else I can help you with today?
That's all actually. Thank you for the assistance.
You are most welcome!