user_turns: <SILENCE> i need a restaurant serving af <SILENCE> afghan <SILENCE> i need a restaurant serving modern_european food i need a restaurant serving modern_european food <SILENCE> can i get the phone number 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 ? Would you like something in the cheap , moderate , or expensive price range? What kind of food would you like? api_call afghan R_location R_price Sorry there is no afghan restaurant in the cheap price range I am sorry but there is no afghan restaurant that matches your request api_call european R_location R_price de_luca_cucina_and_bar is a great restaurant serving modern_european food and it is in the moderate price range The phone number of de_luca_cucina_and_bar is de_luca_cucina_and_bar_phone  you are welcome