user_turns: <SILENCE> <SILENCE> welsh food asian_oriental north cheap <SILENCE> address and phone number <SILENCE>
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? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? There are restaurants in the north of town serving any kind of food . What price range would you like? api_call R_cuisine north cheap royal_spice is a nice place in the north of town and the prices are cheap The phone number of royal_spice is royal_spice_phone  you are welcome