user_turns: <SILENCE> i want to find a cheap restaurant that serves tuscan food how about italian food <SILENCE> can i have the address and phone number 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? I am sorry but there is no tuscan restaurant that matches your request api_call italian R_location cheap la_margherita serves italian food . The phone number of la_margherita is la_margherita_phone  you are welcome