She could go into detail, but Tidus was giving her that vibe Evander used to give her — that action first, talk later sort of mindset.

"I have looked over the roster extensively." She noted, though not as if she was rejecting the idea; simply stating it as a fact. "But, I would not mind your input, presuming you are well acquainted with those aboard the train and could attest more so to its accuracy and narrow down those who might remain." yes. she's saying yes. Maybe a little confused herself as to the sudden shift to her request instead, but choosing not to address it for now.