Black backpack Lost with laptop in Taxi around 4 - 6 AM 9-Sept-2017

I have lost my black backpack with laptop and other valuables inside, the laptop has extremely valuable data on it.
I lost it in a cab on my way to sandyford from St.Stephens Greeens between 4 - 6:00 AM this Saturday (09.09.2017)
I have no information on the cab number or driver, I am in deep trouble because of the loss.
It's a port designs Houston backpack