Use google translator: Hello, I want to know how to change my order id, to get my game (pre-order) thanks.
He probably wasn't working yesterday, and in America it's very early on Monday morning right now. Give him a bit more time.
It was a weekend where Uber work (see http://www.timeanddate.com/library/abbr ... a/pdt.html), so they wouldn't have had a chance to respond yet - give them another day or so, they're busy people Edit: Ninja'd by jammystb.