user_turns: <SILENCE> <SILENCE> i dont care west i dont care italian <SILENCE> i dont care i dont care polynesian food what about italian <SILENCE> does it serve italian food <SILENCE> i dont care i dont care what about expensive <SILENCE> is it expensive okay whats the phone number 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 ? Let me confirm , You are looking for a restaurant in the cheap price range right? What part of town do you have in mind? Let me confirm , You are looking for a restaurant in the cheap price range right? What kind of food would you like? api_call italian west R_price la_margherita is a great restaurant serving cheap italian food in the west of town . la_margherita is a great restaurant Sorry I am a bit confused ; please tell me again what you are looking for . I'm sorry but there is no restaurant serving polynesian food api_call R_cuisine west R_price sala_thong is a nice place in the west of town api_call italian west R_price sala_thong serves thai food Let me confirm , You are looking for a restaurant in the cheap price range right? la_margherita is a great restaurant serving cheap italian food in the west of town . Sorry but there is no other italian restaurant in the cheap price range and the west of town api_call italian west R_price prezzo is a nice place in the west of town serving tasty italian food I'm sorry but there is no italian restaurant in the west of town and the expensive price range The phone number of prezzo is prezzo_phone  you are welcome