At the sound of her name, Cho brightened. "Yes, that's me -- wait. I did know you in school, didn't I? I'm sorry, sir." But God, that was too formal a habit to use with anyone from Hogwarts. After what everyone had been through, it was difficult to imagine anyone has a mister or miss. She hadn't had much respect for anyone in those days, really. "I mean -- Finch-Fletchley."
Wait.
Something suddenly occurred to her, and her hand flew to the side of her face. "Oh, you're Justin, aren't you? I knew you were familiar." Cho broke into a wide grin. "That's a nice position.... I'm an auror."