I am losing brake fluid?

Inspect the brakes system-especially the wheel cylinders

Yep, you are filling up the brake booster because the brake master cylinder is bad, here is how to replace it to help fix the problem. You will need a booster as well. Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

Do not spill brake fluid on painted areas, it may cause paint damage.
1. Connect a vinyl tube to the bleeder screws.
2. Depress brake pedal, open bleeder valves and drain fluid into suitable container. Repeat until master cylinder is empty.
3. Disconnect brake lines, remove master cylinder attaching nuts, then master cylinder.
4. Reverse procedure to install, bleed brakes as outlined under Brakes and Traction Control.

Please let us know what happens.