Restaurant Duct Design for Cooling

I'm seeking a skilled HVAC professional to design ductwork for an existing split system in a restaurant/bar. The primary purpose is cooling for an area between 1,000 - 2,000 sq ft. Requirements: -... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Architecture, Building Design, CAD/CAM, Environmental Engineering, Home Design, HVAC, Thermal Analysis)