"You're welcome." Elizabeth turns back to finishing with her things -- it won't take her much longer, given how relatively few they are.
Apparently that's not the end of the conversation, though. She continues to talk. "How did you come to be here? Jack and I -- my young ward--" That particular lie comes smoothly enough, more for his sake than anything else, "--were looking for a ship that would take us both. I was quite pleased to find Captain Kaufman required my services here. Some of the other alternatives were simply unacceptable."