user_turns: <SILENCE> something in the north part of town serving chinese food any price range <SILENCE> phone number is there anything else phone number phone number 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 ? There are restaurants serving chinese in the north of town . What price range would you like? api_call chinese north R_price hakka is a nice place in the north of town serving tasty chinese food hakka is a great restaurant the_hotpot is a nice place in the north of town serving tasty chinese food the_hotpot is a great restaurant The phone number of the_hotpot is the_hotpot_phone  you are welcome