To book a special rate with American Airlines: Click Here - then go through the entire booking process online you will then find a box to add Promo Code: 5569DB to get 10% off published fares.
(Excluding basic economy and non-discountable fares.) Or you can Click Here to fill out the form attached and National Travel Systems will be happy to assist in booking a flight for you at a discounted rate along with car rentals. If you have any questions please contact National Travel Systems. Click Here to view contact information for National Travel Systems.