"I can be finding it by myself." She is capable of swiping the ticket until a door opens after all. She wrinkles her nose as he shows her his. He has three names? That seems a little excessive.

She glanced down at her own, she hadn't really looked at it properly. She's only vaguely aware of what a ticket was. Unnamed Female. Cabin 1:C

Oh. That would have saved her some time and effort. "I do be being in Cabin C."

Hopefully that would be enough for him to let her go, now that she clearly needed no help.