To speak about greetings and  have small talks in business, you need the appropriate vocabulary.
Bow - to bend your head or body forward in order to show respect or to thank an audience;

Greeting - something friendly or polite that you say or do when you meet or welcome someone;

Shake hands - to hold someone's hand and move it up and down when you meet them for the first time, or when you make an agreement with them;

Firm - not soft, but not completely hard;
Polite - behaving in a way that is not rude and shows that you do not only think about yourself;
Colleague - someone that you work with;
Introduce - to tell someone another person's name the first time that they meet;
Relationship - the way two people or groups feel and behave towards each other;
Mention - to briefly speak or write about something or someone;
Occupation - your job;
Steer - to influence the way a situation develops;
Conversation - a talk between two or more people, usually an informal one.

Be polite with our customers!

Let me introduce my colleague.

You can steer the conversation.