You might suggest that she call Harris Air or Mountain Flying Service in Sitka to find out if they know of any local flight instructors. There is no flight school in Sitka that I know of, but there might be a flight instructor possibly with his own airplane or access to one.
I don't know if there are any CFI's here in town...might be better off looking in Anchorage or Seattle...Harris Air might be able to give you some information on where to find a CFI.