commit (oneself or something) for (something)
To agree to involvement in something; to make a commitment to something. Can you believe she asked us to commit ourselves for her move on Saturday? I want to enjoy my day off! Unfortunately, I can't commit my time for your project.
commit someone or something for something
to promise someone or something for a particular purpose or time. I can't commit myself for Friday night. We are unable to commit any more funds for your project.