So there are a lot of direction their conversation could take from here. They could talk more about the hotel or about prospective jobs for Tadashi. They could discuss kedan culture and how to better blend into it. Tadashi could thank Akito for helping Hiro out with new clothes and showing him to shelter (let's be real, that's definitely something that will happen at some point). Heck, they could plunk themselves down on the floor and have a doughnut feast, but they're not going to. Do you know why?

"... You flew him?"

That's why.