Proudwings:

1. Go to www.itn.net and after the intro page, click on "Air, Car, and Hotel Res"

2. There should be a login box on the left side with a "new user" button. Click on that and register (free) if you haven't already.

3. Once you're logged in, click on "travel profile" and under the display preferences section, set the availability format to "expert"

4. Voila! "Y7 B7 M7 ..."

FewMiles..