There does not seem to be a way to book a thru flight on Jetstars BNE-DRW then DRW-SGN (Saigon for Ho Chi Minh) flights. Seems the only thru flight is SYD-DRW-SGN. I have spoken to Jetstar but staff were as baffled as myself. Seems Jetstar is not making DRW-SGN flights very user friendly for...