أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Always have the mindset of "the customer is always right" and you will more often get along well with customers..
Make it a habit of listening to the customer properly, solve the issues in consultation with your senior and respond before he/she calls you again..
Basically, know what the customer needs and wants. After knowing it, in line the SOP of your service.