I am looking for a restaurant in the north part of town serving persian food. 
There aren't any restaurants serving Persian food in the north part of town. Would you like me to look in a different area?
Are there chinese restaurants in the north part of town?
There are three Chinese restaurants in the north part of town. What price range would you like?
Any price range would be fine. 
There are three restaurants that serve Chinese food in the north part of town. Would you like me to list them?
Please provide a phone number for one of the restaurants. 
Golden Wok is a chinese restaurant located in the north part of town, and the phone number is 01223 350688. 
Can i have the phone number to one more restarant please?
The Hakka also serves Chinese food and is on the north side of town. Their phone number is 01223 568988. Is there anything else I can help you with.
No, thank you.  That is good.  Good bye.
Thank you for using our system. goodbye