user_turns: <SILENCE> <SILENCE> west part of town yes international food how about the center area yes <SILENCE> can i have the phone number and price range can i have the price range 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? Did you say you are looking for a restaurant in the west of town? What kind of food would you like? I'm sorry but there is no international restaurant in the west of town Did you say you are looking for a restaurant in the centre of town? api_call international R_location R_price the_varsity_restaurant is a nice place in the centre of town serving tasty international food The phone number of the_varsity_restaurant is the_varsity_restaurant_phone bloomsbury_restaurant is a nice place in the centre of town serving tasty international food  you are welcome