[ The look she gives him can be described as unimpressed, the kind you give someone who asks whether she's sure water is wet.

She can give two answers: 1) she knows the wind and 2) she has sharp senses. Which one would earn her less of an incredulous response? ]

I can manipulate air.

[ This one seems safer than describing a centuries-old dragon residing inside of her. ]

When you study it as intimately as I have, you learn how it feels when it's interrupted by buildings or creatures. But you're more than welcome to determine that on your own by going the wrong way.