Exactly, which is the crutch of everything I have been saying, but 4 hours to attempt to rectify the problem for a domestic flight.Sounds like they've finalised the held booking (under a new pnr) rather than creating a new booking.
Having worked and lived in Asia for the last 40 years I do realise that if you lose your cool you don’t get anywhere, so I conducted myself accordingly in the conversation, unlike what has been suggested.