Cash App complaint: Cash Stolen From Cash App

I was sent $900..00 by my niece on Cash App. This was my very first time ever using Cash App. Somehow before I was even able to cash out. I got connected to a website that said Team View Quick Support. I also received a call from this so called company. They claimed they needed to walk me through s. While I held on the phone, they called my niece who sent the money to me. We were both on the phone when my niece asked who they were and why they were calling. He gave a name which was false. She told me to hang up, because Cash App doesn’t have a phone number. Cash App doesn’t call customers. The money was taken while we were on the phone. They also got into my bank account and took what was in there! Here are some numbers that they used: $ Linda Ward121, Httpscashapp Any Desk Top, Team Viewer Quick Support, ID447 375 020,041 215 663 ( Routing )88 …. ….
(acct.)
This money was given to me to pay a loan bill to keep my car from being
REPOSSED TODAY!!!!!!!! PLEASE, PLEASE HELP ME!!!!!!!!!!!

Linda Ward