user_turns: <SILENCE> im looking at a cheap restaurant and it should be west <SILENCE> okay please give me the phone number okay 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 la_margherita is a nice restaurant in the west of town in the cheap price range The phone number of la_margherita is la_margherita_phone  you are welcome