user_turns: <SILENCE> cheap restaurant serving chinese food <SILENCE> phone number and post code 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 ? api_call chinese R_location cheap the_lucky_star is a great restaurant serving chinese food and it is in the cheap price range The phone number of the_lucky_star is the_lucky_star_phone  you are welcome