Just received an email with this headline, but the registration link seems to point to an expired offer. The promo says you can book a single return flight from Australia to most European cities, and automatically be gifted Silver (for Saver fares) or Gold (Business or Econ FlexPlus).
Book by 14 August, travel by 30 June 2019
Book by 14 August, travel by 30 June 2019