The idea of punching this guy for being a Rocket had been tempting, not that Lightning would admit it here and now. No, even she knows better that, and they need this. They need this information to ever stand a chance of taking them down with minimal casualties, so no matter how much she dislikes this, she'll play nice. To a point.

"Don't thank me yet. If the information you get us ends up being false, or made to lure us into a trap, I'll know who to come after. I'm sure you understand me."