Wǒ xiànzài gōngzuò tài máng, méi shíjiān tán liàn'ài.
I'm too busy with work right now to date anyone.
Tips
usage
Verb-object structure: 谈 can take an aspect marker between it and 恋爱 — 谈过恋爱 (have dated before), 谈了三年恋爱 (have been dating three years). Implies a serious, ongoing relationship; casual dating is closer to 约会.