What kind of entertainment is there in the centre?
There is no entertainment in the centre. Would you like to try another part of the city?
Are there any architectural attractions in the centre?
There are 5 that match your request. All are churches except for one which is a school. Would you like more information on any of these?
Okay, well then how about architecture? 
Yes you mentioned that. How about Old Schools?
What is the postcode for Old Schools? Also I need a train that leaves after 13:45 on Friday. Can you tell me what is available?
cb21tt is the postcode for Old Schools.  What is the area that you would like to depart from for the travel arrangements?
The train should leave from ely and go to cambridge
Okay, for sure. I booked it.