Hi Charlie! No worries at all, this is a fun one. I actually touched on it in passage 3 of the template (where I talk about the live update macro). Basically, any choice you want to include a dialog tag on needs to go inside of a live block. The code would look like this:
<<liveblock>> *<<link "Choice with flirt label $flirt_label" "4">><</link>> *<<link "Choice with info label $info_label" "4">><</link>> <</liveblock>>
I'm not sure how to get the dialog tags to work with the [[ ]] brackets, so I've always used the <<link>> format. Hope this helps!
Edit: it looks like the thread is making the code text funky. There shouldn't be any line breaks in the code:)