user_turns: <SILENCE> breath im looking for a restaurant in the east part of tow cheap <SILENCE> chinese food <SILENCE> moderate <SILENCE> expensive <SILENCE> address thank you goodbye
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 ? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine east cheap the_missing_sock is a nice restaurant in the east of town in the cheap price range api_call chinese east cheap Sorry there is no cheap restaurant in the east of town serving chinese food api_call chinese east moderate Sorry there is no moderate restaurant in the east of town serving chinese food api_call chinese east expensive yu_garden is a nice restaurant in the east of town serving chinese food Sure , yu_garden is on yu_garden_address  you are welcome