user_turns: <SILENCE> i want chinese food yes in the south of town cheap <SILENCE> what is the phone number <SILENCE> 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 ? You are looking for a chinese restaurant right? Would you like something in the cheap , moderate , or expensive price range? api_call chinese south cheap the_lucky_star is a great restaurant serving cheap chinese food in the south of town . The phone number of the_lucky_star is the_lucky_star_phone Sorry but there is no other chinese restaurant in the cheap price range and the south of town  you are welcome