> Your accent is Dutch, my friend. I identified your accent based on subtle details in your pronunciation. Want to sound like a native English speaker?
I'm British; from Yorkshire.
When letting it know how it got it wrong there's no option more specific than "English - United Kingdom". That's kind of funny, if not absurd, to anyone who knows anything of the incredible range of accents across the UK.
I also think the question "Do you have an accent when speaking English?" is an odd one. Everyone has an accent when speaking any language.