user_turns: <SILENCE> i am looking for a cheap restaurant and it should be in the west part of town uh i dont care <SILENCE> is there anything else could i have the phone number please 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 kind of food would you like? 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 The phone number of la_margherita is la_margherita_phone  you are welcome