[He tracks the movement of the scalpel with an idle curiosity. David isn't afraid, he doesn't feel fear, but he is cautious to watch in case she might try to inflict damage. It wouldn't hurt, but it might give him issues when it comes to obtaining repairs here.]

I am not taking you anywhere. This is not my ship.

[David was a guest here, in the loosest variation of that term possible.]

If you have a complaint, however, I suggest we take it to the captains. Who would be better suited to make arrangements for your needs than them?

[He'd very much like to see how such an interaction would go.]