user_turns: <SILENCE> i want an expensive afghan restaurant afghan food uh european food european food i dont care <SILENCE> address whats the address whats the phone number what area 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 ? There are restaurants in the expensive price range . What type of food do you want? I'm sorry but there is no restaurant serving afghan food Could you please repeat that? There are restaurants serving european in the expensive price range . What area would you like? api_call european R_location expensive cambridge_lodge_restaurant serves european food in the expensive price range cambridge_lodge_restaurant is a great restaurant Sure , cambridge_lodge_restaurant is on cambridge_lodge_restaurant_address The phone number of cambridge_lodge_restaurant is cambridge_lodge_restaurant_phone cambridge_lodge_restaurant is a nice place in the west of town  you are welcome