Aeromexico review by gilbert 2016-02-16

I purchased a Ticket on the 27th of january 2016 from Medellin to Tijuana via mexico city. The payment was processed through bank of america on the 28th of January 2016 for an amount of $405.62. I received a confirmation email of my purchased on the 27th of january 2016. When I came to Medellin airport, at 10 PM, the check in attendant told me that my payment was rejected and I had to pay about $400 in cash which I could not. I called Bank of America; and they told me my payment went through 1 week earlier. I was fortunate to have an extra credit card with me and paid with it $388.87. I talked to the supervisor of aeromexico and he could not explain to me why this happened. He said that it was probably the "internal security" He told me that this money will be refunded to me.Now tell me what is wrong in the picture with Aeromexico... If I did not have an extra credit card with me , I would have missed my flight back. 1 week later I am still waiting for the refund.