亚航的时间更改邮件是怎么了？

我收到亚航的时间更改的提醒邮件


Dear Sir,



First and foremost, we would like to take this opportunity to thank you for your kind choosing Thai AirAsia on your trip.



We would like to inform you that flight FD3027 from Bangkok to Phuket on 27 September 2011 has been EARLY RETIME.



New departure time from Bangkok is 1.30pm. (1330hrs.) and arrives to Phuket is 2.45pm. (1445hrs.) (Please check-in more than 45 minutes before new departure time)


可是打电话给客服，客服却说这是因为群发，实际时间并没有改。让我找出当时确认的pdf文件，确实是这个时间。不过客服又很快的给我重发确认信，我没有要求的情况下。并且两个文件大小不一样。


我有点疑惑，总觉得不太对劲，请有经验的游儿们指点指点。