i am looking for a restaurant in the north part of town serving persian food .
user
there are not any restaurant -s serving persian food in the north part of town . would you like me to look in a different area ?
assistant
are there chinese restaurant -s in the north part of town ?
user
there are 3 chinese restaurant -s in the north part of town . what price range would you like ?
assistant
any price range would be fine .