user_turns: <SILENCE> australian food australian food <SILENCE> how about chinese food <SILENCE> address phone number and post code address and post code post code uh 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 kind of food would you like? api_call australian east R_price Sorry there is no australian restaurant in the east of town api_call chinese east R_price yu_garden is a nice restaurant in the east of town serving chinese food The phone number of yu_garden is yu_garden_phone yu_garden is on yu_garden_address The post code of yu_garden is yu_garden_post_code  you are welcome