Ghoul instinctively heads towards the voice. The best thing to do is to outright ask, since he has no idea where to even begin looking on his own.

"Hey, yeah, I was—" When he catches sight of her, he loses all his words and jumps a bit in surprise. He's never actually seen a fae look like a fae... Not that it's bad. She's kind of pretty in a really weird, alien sort of way, and he gets caught up in staring for a touch too long before he remembers where he is and what he's doing. "Uh, I think it's probably a long shot, but I was wondering if you have anything like... I dunno, anything that works like wards? Or repellents?"