user_turns: <SILENCE> cheap restaurant west part <SILENCE> okay show me the address <SILENCE> phone number post code okay 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 ? What part of town do you have in mind? api_call R_cuisine west cheap thanh_binh is a nice restaurant in the west of town in the cheap price range api_call R_cuisine west cheap Sure , thanh_binh is on thanh_binh_address The phone number of thanh_binh is thanh_binh_phone The post code of thanh_binh is thanh_binh_post_code  you are welcome