user_turns: <SILENCE> uh yes im looking for a cheap restaurant in the west part of town west uh yes a cheap restaurant uh it doesnt matter <SILENCE> okay and uh whats their phone number please okay and um thank you and 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? Did you say you are looking for a restaurant in the west of town? What kind of food would you like? api_call R_cuisine west 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