Tips for building rapport offered by the Dale Carnegie Institute can be summarized on these three points: be happy, be assertive, and be knowledgeable.

Dale Carnegie Institute

An educational institution offering courses in leadership, public speaking, sales, and personal development, based on the principles of its founder, Dale Carnegie.

Rapport

The establishment of a trusting and harmonious relationship between people.

Knowledgeable

Possessing or showing a very great deal of information, awareness, or understanding about a particular subject or field.