user_turns: <SILENCE> cheap cheap restaurant <SILENCE> dont care <SILENCE> west <SILENCE> phone number <SILENCE> what is their phone number phone number what is their phone number <SILENCE> 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 ? There are restaurants in the cheap price range . What type of food do you want? What kind of food would you like? There are restaurants serving any kind of food in the cheap price range . What area would you like? What part of town do you have in mind? api_call R_cuisine west cheap thanh_binh is a nice place in the west of town and the prices are cheap la_margherita is a nice place in the west of town and the prices are cheap Sorry but there is no other restaurant in the cheap price range and the west of town thanh_binh is a nice place in the west of town and the prices are cheap thanh_binh is a great restaurant The phone number of thanh_binh is thanh_binh_phone Can I help you with anything else? thanh_binh is a great restaurant  you are welcome