Operator
Operator
Good morning and welcome to the American Airlines Group Fourth Quarter 2017 earnings call. Today's call is being recorded. At this time, all lines are in a listen-only mode. Following the presentation, we will conduct a question-and-answer session. [Operator Instructions] And now, I'd like to turn the conference over to your moderator, Managing Director of Investor Relations, Mr. Dan Cravens. Please go ahead sir.