You have responded with nonsense. The fact that we know that both Dubai and airports exist has nothing at all to do with the conversation. The conversation was about time passing and your comment that suggested that one cannot know that a certain amount of time has passed without actually experiencing it, which is entirely incorrect.
You do not need to be able to show that radiometric dating is reliable, because it can be independently verified through simple observation. If you would review this post you can see how this is so: