user_turns: <SILENCE> <SILENCE> mexican food <SILENCE> could i have the address and 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? api_call mexican R_location R_price gourmet_burger_kitchen is a great restaurant The phone number of gourmet_burger_kitchen is gourmet_burger_kitchen_phone  you are welcome