"Hmmm, well, maybe you could tell me more later."

She's not expecting him to give his True Name, but a slightly better understanding of what he can do besides shoot things with a coffin wouldn't hurt.

"Though for now, we should do something about things here. Maybe get some of the other guests to help and see if we can catch whoever did it?" Rounding up all the staff is probably an option, too, but there's a good chance most of them are innocent. Probably. Maybe.