How to assign a crew member to a route

video1.0<iframe src="https://www.loom.com/embed/024fc0961f454401bce3971e52c3a44e" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/024fc0961f454401bce3971e52c3a44e-ab0444d83a253424.gif226.218How to assign a crew member to a route