user_turns: <SILENCE> hello <SILENCE> i would like international food please how about the center of town <SILENCE> goodbye <SILENCE> <SILENCE> <SILENCE> <SILENCE> <SILENCE> i would like to find a restaurant in any area serving international food may i have the address and phone number please 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 ? There are restaurants in the south of town . What type of food do you want? You are looking for a restaurant serving any kind of food right? I'm sorry but there is no international restaurant in the south 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 bloomsbury_restaurant is a nice place in the centre of town serving tasty international food I am sorry but there is no other international restaurant in the centre of town the_varsity_restaurant is a nice place in the centre of town serving tasty international food bloomsbury_restaurant is a nice place in the centre of town serving tasty international food I am sorry but there is no other international restaurant in the centre of town Can I help you with anything else? the_missing_sock serves international food in the cheap price range The phone number of the_missing_sock is the_missing_sock_phone  you are welcome