“我会得到想要的幸福吗”用英语怎么说

Can I get the happiness that I want?
定语从句，happiness （that I want）括号部分为从句，作定语修饰幸福happiness

Whether I can get the happiness which I want or not?

whether...or not 表示是否
which一引导的定语从句修饰前文的happiness

I am sure that I can get the happy life which I long for.

can I get the happiness I want ?