user_turns: <SILENCE> im looking for a restaurant in the south part of town that serves greek food <SILENCE> chinese food <SILENCE> address price range 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 greek south R_price Sorry there is no greek restaurant in the south of town api_call chinese south R_price the_lucky_star is a nice restaurant in the south of town serving chinese food Sure , the_lucky_star is on the_lucky_star_address the_lucky_star is in the cheap price range  you are welcome