Assistants have to interact with clients in person, on the phone, and through email.
It is important to be friendly and professional in your communications. Build rapport with clients by remembering their names, interests, and needs. Keep a reference list to help you. You are already familiar with email and phone etiquette. Now, your personal interactions need to be honed so that you can become that face of the company.
Face to face interactions:
Grooming
Body language
Right side
Hand gestures
Posture
Be well groomed and dress professionally.
Do not fidget, and pay attention to your, stance, and facial expressions.
Influence people by staying on their right sides.
Use open but limited hand gestures to appear trustworthy.
Lean forward with an open posture to indicate interest.