"That is extremely unfortunate." Because that is a sandwich that he would love to be a part of, and it is highly annoying that he can't do that. He's not sure of what the punishments would be, or what "blackbanded" implies, but he can imagine all sorts of unpleasant scenarios.
He bows slightly from the waist "In that case, I wish you both a very pleasant afternoon." He smiles, trusting that they most certainly will as he takes his leave of the two men. He needs to listen to those rules.