user_turns: <SILENCE> european food european dont care <SILENCE> expensive <SILENCE> what is 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 ? What kind of food would you like? What part of town do you have in mind? api_call european R_location R_price eraina is a nice restaurant in the centre of town serving european food api_call european R_location expensive eraina is a great restaurant serving european food and it is in the expensive price range The phone number of eraina is eraina_phone  you are welcome