You just changed the subject, though. I am sure you are not being intentionally deceptive, because that would be a sin, and you have no free will to be capable of sin. No temptation. I'm sure when you reply you only do it for the glory of God. So the only possible explanation is that you missed my point. So I will make it again.
The spirit is willing, but the flesh is weak. This points to weak will, not no will. There are levels of weakness, ranging from temptation to addiction. Addiction is slavery.
This was a response to your saying that people are slaves to their nature.
Would you still respond the same way? If so, how would it be consistent with the verse that the spirit is willing but the flesh is weak? (Not the flesh is enslaved.)
We can will only according to our nature. Sinners can only choose sin. Example, “But the things that come out of the mouth come from the heart, and these things defile a person. For out of the heart come evil ideas, murder, adultery, sexual immorality, theft, false testimony, slander. These are the things that defile a person; it is not eating with unwashed hands that defiles a person.”” (Matthew 15:18–20) (NET)
Can you see anything here aspiring towards holiness? Or here? “Now the works of the flesh are obvious: sexual immorality, impurity, depravity, idolatry, sorcery, hostilities, strife, jealousy, outbursts of anger, selfish rivalries, dissensions, factions, envying, murder, drunkenness, carousing, and similar things. I am warning you, as I had warned you before: Those who practice such things will not inherit the kingdom of God!” (Galatians 5:19–21) (NET)