[ He's giving her a slack jawed look, obviously like he'd assumed she'd just know and like he's disappointed in her that she doesn't. He regroups, though, waving his hands very gently as one might when calming someone down, mitigating a situation... ]

Okay, okay... S'fine. So you don't know about basically the greatest thing humans ever even invented, but y'know, if they haven't invented them in your world— or... Ireland... or wherever— don't worry about it! You can just take, uh— a boat. Yeah, a boat.