希腊国内航线和国际航线转机的问题

想从圣托尼岛飞到意大利的米兰,查到如下航班:Mon, 27 Sep OA555 Economy Fully FlexibleThira Island (Santorini) 16Athens 16 Mon, 27 Sep OA245 Economy Fully FlexibleAthens 18Milan - Malpensa 19 ...

Regarding your inquiry, we would like to inform you that if you book both of yourtickets under the same reservation you will be able to check your baggage directlyfrom Thira to Milan.We remain at your disposal for any further communication. Kind Regards, 还不错,不用管行李,1个半小时就来得及了。奇怪的是机票预订,为啥代理可以定,官网就不能订呢??