Find Prate Cloudseer in Thousand Needles.
The winds of Kalimdor rush to meet you and you shall be counted among some of our most powerful $g brothers:sisters;. I am proud to see you have come this far and have such a promising future.
The element of air is a difficult one to control, but I have faith that your skills will overcome any obstacles that are placed in front of you.
Head to the very south of the Barrens, and enter Thousand Needles. It is there, far to the east, that you will find Prate Cloudseer. She will teach you more.