It is perfectly suitable; it is OK with me. Anna: "Bob, how would you feel about holding our next meeting on the 25th?" Bob: "Sure, it works for me!"
(It) works for me
and WFM
sent. & comp. abb. It works for me.; This proposal works well enough for me and I see no reason to try anything else. (With stress on works and me.) WFM. YMMV.