I was in there about 16:30 today. i've go to restr...

I was in there about 16:30 today. i've go to restroom 2nd floor. After using a toilet, fixed my makeup Then i needed a tissue so i picked up hand paper in there.
Then black cleaning woman abruptly mad at me that i do not know why. What kinds of that manner? Is it matters to her's restroom something? I was scared and i am a visitor as first time to bloomingdale's even NYC.