He listened and understood what she said. His head cleared a little and he felt mildly embarrassed, but not overly so -- he'd made a fool of himself on purpose in worse ways before, he thought.
"You are right," he told her with a smile. "I'll think on it, consider all the other angles that might be hiding, and owl you with a name of a recording studio, perhaps. Or maybe get someone to deliver it to you." To make certain that Umbridge couldn't trace their plotting if it got intercepted.
"Of course I do," he said, smiling down at her with absolutely no hard feelings. Lee was a rather laid back guy, it took a lot to ruffle his feathers or truly upset him. It's rare for him to hold a grudge, though when he does, it was done almost to excess. "Don't worry about it."