Originally Posted by
brunos
EF is not the proper place as it does not show Vietnam as point of origin (POS). That's why I mention doing a dummy booking on CX Vietnam site.
J availability is not really relevant. If you bought a mistake fare ticket, it will be issued either in I, D or possibly C.
My ticket is booked on CX metal between SGN and HKG in J and A to and from JFK.