Lachlan had struggled in school, but Defence Against the Dark Arts was one of three classes that he hadn't received poor marks in. So she was asking him to help. His common sense told him it was likely against policy to involve civilians in missions, but it would, at the very least, make for an interesting story once he finally made it to the quidditch meeting.
"I got an 'E'," he offered, and that was that. He made no promises about his current skill (it had been over a decade since he'd graduated, and his life hadn't involved much practical magic since). There wasn't much time to discuss what he wasn't and wasn't capable of, though, because moments later she took off after someone at the far end of the train.
Lachlan had once promised himself that he'd never the type to chase woman, but with a shake of his head he took off after her down the aisle.
"I got an 'E'," he offered, and that was that. He made no promises about his current skill (it had been over a decade since he'd graduated, and his life hadn't involved much practical magic since). There wasn't much time to discuss what he wasn't and wasn't capable of, though, because moments later she took off after someone at the far end of the train.
Lachlan had once promised himself that he'd never the type to chase woman, but with a shake of his head he took off after her down the aisle.

— way too attractive set by mj <3 —