The DOT enforcement policy on mistaken fares
On April 25, 2011, the Department of Transportation issued a final rule on enhancing airline
passenger protections which included a provision prohibiting airlines and other sellers of air
transportation from increasing the price of air transportation after a purchase has occurred (the
post-purchase price ...
Dragonair is not a codeshare partner with Qatar Airways, therefore you will likely be flying on two separate tickets.
One is Haikou - Hong Kong, then the other separate ticket from Hong Kong to Denmark, via Doha on Qatar Airways.
As these are separate journeys, you will have to collect your luggage; however qatar airways does not block other airlines from ...