Luna Lovegood: Harry, wait, I need to talk to you.
Harry Potter: I'm a bit preoccupied at the moment, Luna.
Luna Lovegood: You won't find it where you're going, you're wasting your time.
Harry Potter: We'll talk later, ok?
Luna Lovegood: Harry!
Harry Potter: Later!
Luna Lovegood: Harry Potter! You listen to me right now! Don't you remember what Cho said about Rowena Ravenclaw's diadem? There's not a person alive whose seen it. It's obvious isn't it? You have to talk to someone whose dead.