You're a really good teacher, Harry.Cho Chang in Harry Potter and the Order of the Phoenix
The words came out before Harry had quite got his tongue around them. "Wangoballwime?"
"Sorry?" said Cho.
"D'you - d'you want to go to the ball with me?" said Harry. Why did he have to go red now? Why?
"Oh!" said Cho, and she went red too. "Oh Harry, I'm really sorry," and she truly looked it. "I've already said I'll go with someone else."
If you'd like to see what the diadem's supposed to look like, I could take you up to our common room and show you, Harry. Ravenclaw's wearing it in her statue.Cho Chang in Harry Potter and the Deathly Hallows