Global Financial Services- Sandra Bell Scammed me out of $460 SAN DIEGO California

Filled out for a loan online. Sandra Bell from Global Financial Services called me, informing me that I approved for a loan for $5000. Further goes on to say that I did not approved for the conventional bank loan and that my loan was approved through a private lender. She continues to go over the terms of the loan and informs me that I have to secure my loan with $460. She sent over the contracts for me to look over...looks legit. So I signed them and sent them back. Wired the $460. She calls me back and says that they sent the money to my bank account and it should be posted in the morning. Well, the morning came, no money in my account. The afternoon came, still no money. So I called my bank to see if I had a deposit coming through that had not posted yet. She said "no." I called Sandra Bell back and told her that the money was not in my account. She puts me on hold, then comes back and tells me that I needed to send them another $460. I told her that I could not afford to send her anymore money and that I gave them what was agreed upon in the signed contract. I demanded a refund. She proclaimed that she processed it and that I would get my money in approximately 20-30 days. I still have not gotten my money back.