Bid for an up grade: Some airlines assist you to bid for an update to business class. You may post a bid to the up grade and if it’s approved, you’ll be upgraded at a discounted rate. This Agreement supersede any prior TravelGuzs agreement relating to using the internet site. https://businessflightshop.co.uk/blog/4-benefits-of-flying-business-class-flights-to-australia-from-the-uk/