You set this up by talking to an AI assistant — ChatGPT, Claude, whichever you already use. It asks you a few things, works out what is actually being said, and hands you back a block to paste here.
That is the whole first step.
Read https://thatwouldbeyes.com/skill and help me set up my group trip.
It will end with a block. Paste it at https://thatwouldbeyes.com/create.
No assistant to hand? Fill it in manually instead.