Hi, I got a 60 day visa about a month ago. I was planning on coming to Bangkok from Vietnam but due to unforseen circumstances I am flying back home to the U.S. for a month. I plan on flying straight to Bangkok when I'm done there. Will the change of airlines and country in coming from invalidate the visa? None of that is on my visa letter but I think I entered that on my application. Thanks for any advice you can give.