I am looking for a restaurant in the west part of town and is in the moderate price range.
Do you have a preference on the type of food?
I don't have a preference.
Prezzo is an italian restaurant in the area of west in the moderate price range. 
What is the address?
prezzo is located at 21-24 northampton road. Do you want the phone number? 
No, thank you.  That is all I wanted to know.  Good bye.
Thank you for using the system. Good bye.