Super simple no feats fighter build. Strengths and weaknesses? (5E)

[agentkity]

Standard human champion fighter lvl 3 Pointbuy


Str 16 Dex 14 Con 16 Int 10 Wis 11 Cha 10


Chain mail Longsword and shield 2 Handaxes AC = 18


Fighting Style: Dueling


I plan on maxing str, con, and dex