Further to our last messages, find below booking availability:
Between December 01st and December 7th: NO SPACE AVAILABLE
December 8th, 2017: Northbound: 1 space available
Southbound: 1 space available
Between December 9th and December 31st: NO SPACE AVAILABLE
Alternatively to look/find booking slots available on daily basis, you can access below link (this web page is updated by Panama Canal Authorities every 30-60 minutes AGW):