Just give them a call, they credit you immediately. I had the same thing happen at Sydney International Airport a few months ago - I placed one order but it wen

Just give them a call, they credit you immediately. I had the same thing happen at Sydney International Airport a few months ago - I placed one order but it went through five times. It didn't show up on the app and didn't show up on their registers, but I was definitely billed for it. A two-minute phone call and they refunded it all.