د هانګ کانګ په آنلاین هوایي ټکټونو کې د پیرودونکو د پریکړو اغیزه کوونکي عوامل څیړنې لپاره یوه مطالعه
i don't have any credit card or online payment devices.
used airline online reservation system
hong kong airline
don't want to use.
no credit cards before.
buy package
friends and family book flight tickets.
not purchased by the person themselves.