I played bots until level 15. Huge problem. Bad idea playing bots for a long time, unless its now and again to get used to a champion. Just do PVP games, as bots don't give you experience.
I looked at your match history. You seem to want to jungle, don't take smite on soraka. Don't try jungling until you have runes/masteries. You play supports, soraka and taric. No wonder you cant duel with anything. Supports, well, support the carries and team mates and dont do damage, also, don't play akali. Higher skillcap, and you need runes and masteries.
Generally smite is taken on junglers, that farm the jungle and go to lanes and kill enemy laners with you. Don't until your level 20 ish and have enough runes/masteries or your wasting your time.
Your build order seems to be rather ****ed up as well, generally FOR NOW follow the recomended builds, it'll get you started with a decent build.