Another day, another AmEx offer.
Waiting on forumninja for the manual link. Enjoy :)
Offer valid for spend at Australian Hilton Hotels & Resorts and DoubleTree by Hilton locations only. Save the offer to your card, book directly with Hilton Portfolio of Hotels & Resorts in Australia only, and spend $300 or more, in one or more transactions by 31/1/2017 to receive one $150 credit. Payment & hotel stay must be made at participating hotels & resorts prior to campaign end date in order to be eligible for the offer.