Role playing, become the customer, see it from their point of view.
Service etiquette, things that will get you ex-customers.
Share your bad service experiences.
Posture, it makes a difference.
Listen up - assess your listening skills.
Assess your voice.
Handling difficult customers with grace.
First impressions - examine biases and impressions based on appearance.
Facial expressions - they show what you are thinking.
Telephone etiquette
Up selling in a polite way.
Uncovering additional needs without "anything else"
Turn small talk into pleaseant conversation.