新手请教chase sapphire prefered

大家好小白研究了一段时间开了第一张chase的卡，CSP，也因为要计划去夏威夷玩，为了完成那个开卡3月4000的要求。 刚刚拿到卡，准备定机票和酒店，有个疑问，请问这个什么意思 5X points on travel through ultimate rewards？ 具体怎么操作？

Login to your chase account online, in your account you can see “ultimate rewards”, open it and purchase your hotel and airline tickets through ultimate rewards’ site.