from their rules
http://www3.lot.com/app/index.jsp?ar...ion=US#Scene_1
it looks like only one article can apply
Special Fare RestrictionsMany Special Fares are issued subject to conditions which may restrict or prohibit any change of booking and may limit the amount of any refund due in the event of cancellation or failure to travel. You should contact your airline office or travel agent for details.
But as I understand here is mentioned cancellation by customer not by airline. Otherwise it get them the right just to collect money and cancel flights. It's a good busines....