Existing House Layout Redesign

I have the original drawings for my house and now need a fresh set that reflects a complete redesign of the room layout and internal walls. The structure’s footprint stays the same, but I want the flow between spaces re-imagined, creating a more logical, airy arrangement throughout... (Budget: $750 - $1500 USD, Jobs: AutoCAD, Building Architecture, Building Design, Building Information Modeling, CAD/CAM, Drafting)