Hi i think this is some kind of mistake but i got bann when i havent play in almost 3 weeks

Hi i am a league of legends player that hasn't played for alsmot weeks and today i try to log on and play whit some of my frend and i saw that my account has benn paerma bann i have to say when i made this account i wasnt shure will i be play more of this game so i made a new email i havent use it i forgot what was the emal or even what is the passowrd of the email i just want my account back!I have so many momerius there not even real to said like my first penta my first time when i get out of silver and get to gold like i dont think i was benn toxic player all this year i made this account around the ending of season 2 and start of season 3 I even still remmber what was my 1st champ i ever play ;( Wukong the best champ for me if i can talk online whit a real person that will be nice i just want my account back i dont want to lose my hard work i think this is all a mistake that my account was bann pls Riot Games dont destoyed the game for me please Sorry if i made some mistake when i type :) i wish u a good day and pls dont take my memorius away Riot games