user_turns: <SILENCE> oh i want to find <SILENCE> okay thank you thank you 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 R_location R_price the_varsity_restaurant is in the centre part of town . the_varsity_restaurant is a great restaurant  you are welcome