You can select text in a transcript, and use the contextual menu in the programme script to paste the selection.
better-insert-2
3. Advanced - select + auto "copy/paste"
There is an advanced option to select text in a transcript and have it "auto copy /paste" in the programme script at the position of the orange insert point.
To enable this click the check box next to "+ Selection" button.
advanced "copy/paste"
This feature is for advanced users for a faster workflow.