She might have thought the place was amazing, but Ryan was thinking that it was quite a dangerous sort of place to have a mass gathering of civilians. Of course there would be little reason to target a carnival, but if someone wanted to, it could be done easily enough.
"Uhm, sure. I'll give it a go." It would be easier to focus on shooting a target than the lack of security detail of the premises. And maybe it would make him feel less awkward, doing something that was remotely related to what he really was.