The relaxed attire and styling did help Finn bite down his initial reaction. His eyes narrowed at his name on his lips."General Hux." Finn did not know how much Poe or Rey would have spoken to him about their conversations. The two could call him Armitage all they wanted, but it wouldn't be on his tongue until he saw first hand the change.
The placement of the knife was noted as well as any other items that could be used as weapons, if necessary.
"I can leave." He offered, gesturing toward the door, but not moving.