To cancel a single booking, log into your account and select the specific date you're looking to cancel, then click on 'Skip'.
You'll need to select the most appropriate reason for your cancellation and you'll also need to write a brief comment.
If you cancel with less than 48 hours notice, you will be charged a late cancellation fee
as defined at the URL https://www.helpling.ch/ch_en/cancellation-policy.