user_turns: <SILENCE> cheap restaurant west part of town <SILENCE> what is the address and phone number thank you good bye 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 ? 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 The phone number of thanh_binh is thanh_binh_phone thanh_binh is a nice restaurant in the west of town in the cheap price range  you are welcome