Bronze 5 duo

Am a Katarina player, Only playing her as much as i can an so far am seen good results the thing is I need someone else I can depend on to help me carry...someone that can apply pressure on lanes, its hard doing it by my self. Some game am successful an other I try my hardest but the enemy team always comes for me, Not that am loosing cause of my team its just I cant 1v5 every game i go in ( not even a great amazing player like ArKaData could of won 5Bronze players) Just saying . So am asking for help as i said someone that can apply pressure an carry with me. An please no flamers just trying to rank up.