Oh, he hates to be the bearer of bad news (like... kind of), but he overhears that and he can't help but think to himself that he's going to have to break the bad news. Better him than his overly-affectionate companion, honestly. So he approaches, all proper and poised, and puts on a polite but sympathetic face.

"I'm afraid that there isn't a way to return, as far as I and other passengers are aware. I'm terribly sorry to have to inform you of this."