qgis - How do i create a flow line map for my data?

I am trying to illustrate a passenger travel flow map from a road terminal to several destinations on a road layer.

I have QGis and ArcGIS, but I don't know much on how to start the work.

I already have the road terminal and all the various destinations datasets. I also have data on the number of passengers moving to all the various destinations.

Can someone assist me with some guide?