Cloud watches the man's reaction, but quickly turns away. If yawning is contagious, vomiting is even moreso. He waits until he hears the voice again to respond.

"My friends told me to take a chocobo, but I didn't want to slow them down for my sake. UGh....how much longer is this flight going to be?"

He focuses on a knot in the floorboards of the deck. Focusing like that helped when he was on a truck back home. Maybe it would do the same here.