I I had $*** vanilla gift card I used $** and some change on it I had a balance of...

I I had $*** vanilla gift card I used $** and some change on it I had a balance of $** I want to try to get some gas and put in $** and when I swipe my card inside the store the card reader came back insufficient funds so I told the lady to try it for $* she again I swiped the card and it came up insufficient funds I came back I called the customer service number I got a lady on the phone she said we checked my last transactions and she seen it only came to $** and my balance should have been ** she said that they would see that I didn't use the ** or the * on the gas and then I should have had a $** balance she said the money would take a couple days but it would be back on my card by Monday and now it's telling me that my card is not even active that it's not there's nothing there I want my $**