[Elena gives a little uplift of the head, a silent acknowledgment of his appreciation while trying to maintain the appearance of being aloof. Because it would be weird to show concern for a complete stranger, wouldn't it?]

Don't mention it. Though.... [Her attention moved over to the moogle, who she gave an equally short but polite nod.] perhaps you ought to listen to your companion. I mean... [And don't mind her, Cloud. She's going to take a seat across from from you without invitation.] Why would you get on an airship if you get motion sickness? Seems sort of silly to make yourself sick for no reason.