In THAI's website, it states that A350 will fly to Melbourne in Dec 2016 on both 461/462 and 465/466
https://www.thaiairways.com/en_TH/hi...e/A350XWB.page
However, Bangkok Post reports that THAI will use both A350s on Milan and Rome routes starting from 16 Nov 2016.
http://www.bangkokpost.com/news/tran...jets-for-italy