I am looking for a cheap local restaurant located in the centre of town 
There are 15 cheap restaurants in the centre of town. If you have no food type preference, would you like to go to Charlie Chan's?
I am looking for one that serves Spanish food
Yes I have one Spanish restaurant matching your price range and criteria. Would you like their number and address?
Would you please book a table for 4 people at 15:30 on Saturday?
Your booking was successful. The table will be reserved for 15 minutes and your reference number is L4BT0A1C. Is there anything else I can help you with?
Yes, I am also looking for a college to visit in the center of town. 
There are 13 entries. Do you require a certain entrance fee?
I don't care, but could you make me a suggestion but tell me the entrance fee along with their address and postcode?
Sure! Christ's College is located at saint andrew's street with a postcode of cb23bu, There is not entrance fee. 
Thank you for your help.
Can I assist you with anything else today?
No, thank you very much for this!
You are more than welcome!