AAL earnings call for the period ending March 31, 2019.: Good day, ladies and gentlemen, and welcome to the American Airlines first-quarter 2019 earnings conference call. [Operator instructions] And as a reminder, today's conference call is being recorded. I'd now like to turn the conference over to Dan Cravens, managing director of investor relations. Please go ahead. Good morning, everyone, and welcome to the American Airlines Group first-quarter 2019 earnings conference call. With us in the room this morning is Doug Parker, chairman and CEO; Robert Isom, president; and Derek Kerr, our chief financial officer.