"She went off looking for you after the confrontation with the controllers in the mess hall." Because he already knows who Wednesday is, he can only assume the kid with the scar on his eye is Zuko. To judge from his tone of voice, the Chief doesn't necessarily approve.

As he speaks, he's keeping a lookout while the others get the controllers squared away. He wouldn't put another ambush beyond the Yeerks, and if that happens he plans on being ready for it.