Transport to Track Head.

I having trouble organising transport from Launceston to the the Overland Track head on the morning of 20Th of April.
I have contacted to usual companies. The best I can get is transport on the track head at 5PM on the 20th of April.
Any advice?
I have contacted to usual companies. The best I can get is transport on the track head at 5PM on the 20th of April.
Any advice?