Capital One Credit Card Complaint

Capital One Credit card department,

Credit line increase/decrease California

- - - - - - - - # -, -, CA-- -/-/-To : Consumer Financial Protection BureauRE : Capital One Bank, USA Credit Card # -I am member since -/-/- and I keep my account good standing all the times.-/-/- I requested credit line. My credit line request has been denied due to - payment retuned credit card account. ( Letter attached ) I will explain what happened payment has been returned. I have a Capital one Bank Checking accountA/C # - I made a deposed $570.00 on -/-/-.Same day I process payment $28.00 mycredit card account. Due to bank error before process the deposit, my credit card payment go thoughchecking account. That 's the reason my payment has been returned. -/-/- to up-to-date this is the only - payment has been returned. paid that amount following day using same my Capital one checking account. So I am so disappointed what they made the decision regarding my credit card Limit increase request. I Finally I spoken with card center named called - on -/-/-, she asked me to provide bank letters .I explain same bank and try to investigation my issue. But she dint help me. And she treated me so very badly. I feel like I have been discriminates against my race, national origin and gender. Finally I asked to transfer Card center supervisor and he also not provide and positive feedback. I need a fair resolution this issue as soon as possibleThanks- -