With her attention elsewhere, Ilde isn't looking to realize that she's being spoken to and Dean's call fades into the rest of the dull sounds that don't quite mean anything to her; she isn't expecting it when he comes near enough for her to register him and she does startle, her hand curling white-knuckled around the rail for an instant.

A pause, then, "Hello," because at a glance it doesn't look as if he meant to do that.