This is going to take some time to get used to. He may need her help to repeat where is his cabinroom, feeling for the bumps on the floor, and learning to read braille eventually which will take weeks. For now, it's simply the first day.

"Shower? All right." That's going to be a challenge that he has to ask his cabin mates. It's not going to be easy living for the first week.

Once they're in front of the door of his assigned cabin. "With this?" Feeling for the ticket and takes it out. He feels for the metal plate, and it's going to take him long to figure it out, but the door eventually opens.