Goal: Task 01635: You want to find a moderately priced restaurant and it should serve afghan food. If there is no such venue how about chinese type of food. You want to know the phone number of the venue.

user: I want to have some afghan food.

system: Sorry, no matches found

user: Is there any Chinese restaurants in the area?

system: There are many Chinese restaurants. What price range are you looking for?

user: Moderate price range

system: Would you  like something in the north or centre of town? 

user: I don't care

system: Jinling Noodle Bar is a nice place that fits your requirement

user: Please give me their number, too.

system: Jinling Noodle Bar's number is 01223 566188.  Would you like the address?

user: what type of food do they serve ?

system: Jinling Noodle Bar is a nice chinese restaurant .

user: No thank you, goodbye. 

system: Okay, goodbye.