Come on, She can not speak in low tone

Today, we both were frustrating about slow work done by our contractor, Ramesh.

I trtied talking to her about how many tasks are pendig from him. She started talking rudely. I just said, please talk in polite way. She again talked rudely, I can not talk politely, my tone is like this only. I left that place saying, then leave it.

I was wondering so much that I said very politely and slowly to let her talk peacefully. But she refused!