If the number of available slopes meets our criteria, we’ll contact you – or your travel agent if you booked through them – in the four days before you're due to travel. This applies to holidays booked on or before 30 November for travel in the same season –that’s by 30 November 2024 for holidays between 1 December 2024 and 30 April 2025 or by 30 November 2025 for holidays between 1 December 2025 and 30 April 2026. Our standard Crystal Snow Promise for holidays between 1 December 2024 and 30 April 2025: You can change your package holiday to any other one we have on sale for the same winter season. If you're travelling from 1 March 2025, you can change your holiday package to the next winter season.  Our standard Crystal Snow Promise for holidays between 1 December 2025 and 30 April 2026: You can change your package holiday to any other one we have on sale for the same winter season. If you're travelling from 1 March 2026, you can change your holiday package to the next winter season.  If you upgraded to the Crystal Snow Promise Extra, you can change your package holiday to any other one we have on sale, even those for next winter.  We’ll refund the difference if your new holiday package is cheaper, or you’ll need to pay the difference if the new holiday package costs more.