20 Customer Service Skill that You Need 1. Active Learning 2. Clear Communication 3. Possitive Attitude 4. Emphaty 5. Responsibility 6. Humor 7. Confidence 8. Assertiveness 9. Detail 10. Leadership 11. Time Management 12. Expertise 13. Promptness 14. Honesty 15. Acting 16. Closing 17. Learn New Thing 18. Diplomacy 19. Relaxation 20. Patience