Presumably because with the current Pandemic, a lot of people don't know when they will travel next, so can't really pick a date to book. The intent here seems

Presumably because with the current Pandemic, a lot of people don't know when they will travel next, so can't really pick a date to book. The intent here seems to be to ensure that your favourite family-owned chalet can weather the pandemic without you necessariliy going there any time soon.