It all checks out well enough, and Steve returns the casual behavior without much trouble. It feels natural, which makes it easy for him to try and get some more information while they're both playing nice.

He realizes he's the more suspicious of the two at the moment, but that won't stop him from digging a little further.

"Guess you were more prepared than most, then." He smirks at the mention of America. If only this guy knew. "Yeah, seems like it's pretty tough to get any calls out. How'd you meet the lucky lady?"

It could be this is all one big misunderstanding, but if that's the case then Steve would be able to brush it off easily enough.