Heard on Johannesburg Oceanic from a VARIG flying from Cape Town to Sao Paulo.
Controller on HF: VRGXXXX next report crossing 005 degrees east.
VRGXXX: (silence) eeerrrrr...... we don't have 005 east in our flight plan....
Controller: VRGXXXX then report operations normal at time 0930.
VRG: (even longer silence) eeerrrrrr..... Johannesburg..... we don't have operations normal in our flight plan either.
When I walked into the Oceanic Control room, the controller wasn't able to speak due to the laughter.