The Semi-Flex rates are refundable up to seven days before check-in but charge a cancellation fee thereafter. The Prepay Restricted rates are nonrefundable and unchangeable. "We recently started a trial to learn how a variety of new products will be received by our customers, as well as uncover any unexpected technical challenges," Hilton senior vice president of commercial services Chris Wilroy confirmed in a statement to BTN. "The products, which are being tested at a handful of hotels, are intended to provide greater value and more options for our customers to save." The initiative is not dissimilar from a pilot conducted by Hilton last year in which it charged guests at select hotels a $50 penalty for canceling any time after booking. Get the full story at Business Travel News