how to become a flight dispatcher?

[future atco]

Hi guys

ok, i've given up on the ATCO thing but i still wanna work in the industry!!??

i've have airline and airport experience and am aware of the job profile of a dispatcher but hae no idea how i go about becoming one?

i'm in somerset so my nearest regional airports of Bristol, Exeter and Bournemouth (i know they're not exactly heathrow!!). i've thought about applying for BA regional as a dispatcher but they dont want to know!??

any suggestions?

thanks