Ive done the form for the assign new email thing and ive been waiting for some time and i hvnt got the option to change it so what do i do now

So ive made this account approx 5 years ago and linked it to an email ive lost that email and cant seem to get it back to enter 'THE GAME' so i would like you to reset the email thingy so i can link it to an new email Thnx :D