Slippage Manupulation which courses lose of money

My name Anas I'm here to write on FBS which manupulate me and make me to lose my trade without my intentions. I created real account and a make a deposit so that to trader for real but unfortunately i open 4 position with buy but they close 1 with lose and leave the 3 i try to cantact the real user customer service but they only connect me with AI which is very discouraged as i need urgen attention to resolve my case. this what make me to lose the other position so i don't think i can continue to trader with it. find a good and reliable forex broker to trade.