user_turns: <SILENCE> <SILENCE> west part of town <SILENCE> <SILENCE> moderately priced restaurant <SILENCE> <SILENCE> 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 ? What part of town do you have in mind? What kind of food would you like? api_call R_cuisine west R_price la_margherita is a nice place in the west of town api_call R_cuisine west R_price cambridge_lodge_restaurant is a nice place in the west of town travellers_rest is a nice place in the west of town  you are welcome