The Sunflower Lanyard is an awareness program that encourages customers with non-visible disabilities to discreetly notify staff. Our staff members are trained to assist customers with disabilities. To request a Sunflower Lanyard, prior to your date of travel, send a request that includes your mailing address to: HAS_Accessibility@houstontx.gov. A Sunflower Lanyard can also be requested at the airport at any Houston Airport System information booth.