As others have said, consider lessons in the UK before going to maximise time on the slops.
Consider snowboarding as in my view the learning curve is steeper but you will get the ability to use more or the mountain more quickly, also it’s easier to progress year on year than skiing based on conversations with skiers, boarders and those who do both.
If you all choose the same discipline then when in resort you can consider a private lesson or two, you can use this to tweak technique and get a guide of the slopes, it might also allow you to cut the lift lines.
If going at Xmas consider a resort with a glacier your much more snow sure at ~3000m.
In Austria there are a few:
https://www.kitzsteinhorn.at/en
https://www.mayrhofen.at/en/winter/ski-resort/glacier-skiing/