As a married man or woman, you should make it clear by your speech and your demeanor that you are simply not available.
وَيَنْبَغِي أَنْ تُوضِحَ بِكَلَامِكَ وَتَصَرُّفَاتِكَ أَنَّكَ شَخْصٌ مُرْتَبِطٌ .‏