Do you think she is a local? If she doesn’t have a local accent, it means she doesn’t know how delicious the food court in front is, or she is just looking for a reason to chat with you. Well, if it’s just a girl who hasn’t left after asking you, you just say I don’t know, let’s go see what delicious food there is. If she leaves immediately after asking you, that’s her fault. Just for the delicious food. Nothing else.