Что делать, если в кафе выгоняют детей? История мамы в больнице

Left my 2 kids age 15 and 7 to sit in the hospital coffee shop after my older got blood taken for testing so I can go across the street and grab something from the store for her to drink because I didn't have money only food stamps so she can pee in a cup. After that get a coffee with the only $3 I had so we can sit in the hospital cafe until she has to pee. On my way back from the store my friend calls me to tell me the cafe people are kicking my kids out and my kid called her on wifi which I don't have wifi outside of wifi places. I walked in the coffee shop and my older daughter look like she was petrified and pale and scared. I asked her what happen and she told me the cashier was kicking her out with her little sister. I walked straight to that cashier and started yelling at her " those two little girls staying in here for 5 seconds is a problem for you until I get something from access the street lady" where the fuck they gonna go in the middle of a cold snow day don't play with me "she called security and I explained to the security what happen and walked towards the other side. Then I got my $3 together and told my kids this is a public place she can't kick people out just like that I told my kids we going to site down not to worry and I gave them stuff I got from the store accross the street with food stamps because hospital cafe don't take foodstamps and overcharge everything I went up to that cashier and got my small coffee $2 from her. She came back with a rag and said the camera watch you eat stuff from outside. Put them away. My older daughter was so unhappy she was like let's leave I told her go to the place and pee in the cup I'll be right there. When I Finnish my coffee I was walking to the place where my older was and saw the cashier staring right at me so I smiled and said have a good day she said it back. I went to where my daughter is with my little daughter next to me and my daughter told me the ganitor spoke to her and told her that I should go on the website and complain about that lady because she starts problems with everyone and they want her to ger fired.I told my daughter don't let people pick on you. Your not a push over you stand up for yourself in the future !