I can't imagine getting a refund from the round ticket I bought on North American Airline due to their cancellation of International flights. They claimed not making profit from their International flights to countries like Nigeria and Ghana. This cancellation, I believe might be political than non-profitability like they claimed because a lot of Nigerian and Ghanian travels on NAA to the US.
Those of you that have an unused flight ticket should call to confirm refund. Using their own words "All customers currently booked on discontinued North American flights will receive a refund for the unused portion of their reservation or may opt to travel on an earlier date".
For questions and refunds, contact North American at 1-800-359-6222. In Accra, customers may call 21-911086; in Lagos they may call 271-6380 and in Georgetown, the local phone number is 227-5805. Additional information can also be found on http://www.flynaa.com/.