Real of *****e ???

I want to invest but while Am still doing due diligence , one of the sales person Steven M called and He could not answer some of the questions Eg When I attempted to make payment from an account with zero balance of course it declined but I wanted to now the payment reference which it says on my bank statement ( Microsoft ISO mil ) While the company name is TradeFT

He could not answer this question If you have any answer please call me on +***

May be I need to be educated along those lines