user_turns: <SILENCE> i would like to find an expensive restaurant serving any part of town please german food <SILENCE> how about asian_oriental food what price range is this venue price range what is the phone number what about the area thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? What part of town do you have in mind? What kind of food would you like? api_call R_cuisine R_location expensive Sorry there is no german restaurant in the expensive price range saigon_city is a nice restaurant in the north of town serving asian_oriental food The post code of saigon_city is saigon_city_post_code saigon_city is in the expensive price range The phone number of saigon_city is saigon_city_phone saigon_city is a nice place in the north of town  you are welcome