What kind of skills should customer service agents develop, to handle difficult customers?

Self-control, Creative problem solving techniques, Sharp listening skills, and a genuine smiley face

a customer service personnel, is simply an agent acting expressly on behalf of his/her organization or employer.since, dealing with people is complex and difficult, a customer should posses the three managerial skills which are technical skills, conceptual skills and human relation skills. moreover the customer service agent should posses and adopt a high percentage of human relation skills along with some conceptual skills in order to be able to deal or relate succesfully with any king of customer whether, easy or difficult. While the technical skills is just to enable the customer service agent to use basic modern office equipment like the computers, telephone etc in ensuring smooth execution of his/her task. Therefore the customer service agent needs% or more of Human Relation Skills, with the consolidation of various other skills like communication and listening skills.

 should be patient and be able to solve the hard problem and listening for coustomer

Compassion, listening skills, and positive approach

Customer service rep. should be patient , problem solving , has great product knowledge in order to give the customer good advice  

Customer Service Representative should have a good and effective communication skills and to have patience and understanding for some customers who are having difficulties in communicating or having some language barrier. 

  alllibaquh fa alttahadduth mae aleumala' Tact to talk with customers

Listening, patient, quick thinker