user_turns: <SILENCE> spanish food west <SILENCE> what is the price range what is the address 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 part of town do you have in mind? api_call spanish R_location R_price la_raza serves spanish food la_raza is in the cheap price range Sure , la_raza is on la_raza_address  you are welcome