They can do it themselves under their booking online.
As you have not shared basic info , I am going to assume they prepaid into BdC and not you. .
Again this is right in front of you. Please start reading announcements. It already detailed in there and the Guest link they can see it there too and on the booking.com website.
Its literally on the top section of every page , you cant miss it.
Hi Sam
They can do it themselves under their booking online.
As you have not shared basic info , I am going to assume they prepaid into BdC and not you. .
Again this is right in front of you. Please start reading announcements. It already detailed in there and the Guest link they can see it there too and on the booking.com website.
Its literally on the top section of every page , you cant miss it.