user_turns: <SILENCE> <SILENCE> south part of town belgian food <SILENCE> how about portuguese <SILENCE> may i have the phone number may i have 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? Would you like something in the cheap , moderate , or expensive price range? api_call belgian south R_price Sorry there is no belgian restaurant in the south of town api_call portuguese R_location R_price nandos is a nice restaurant in the south of town serving portuguese food The phone number of nandos is nandos_phone Sure , nandos is on nandos_address  you are welcome