Suggestions please?

With the HLAA convention coming up in a week and a half, I have been offered a really neat opportunity to speak to the employees at the Nashville airport about the influx of hearing impaired travelers that will be descending on them in just a few days. This is my chance to tell them what concerns we hearing impaired individuals have and talk with them about the best way to communicate with us. If you could tell airport personnel one thing, what would you want them to know?