Whether in a group of three to five individuals, or simply one-on-one, the ability to engage in conversation is a crucial skill. I say crucial because this ability is the beginning step in forming a relationship. Almost all relationships have a communication component, verbal or otherwise. Relationships form the foundation of all meaningful human interaction. The best way to develop the skill of conversation is to start from a common point of reference, for instance, sports, the weather, home towns, cars, etc. Building on that, from a perspective of genuine interest, begin asking questions and sharing from your own experience.
For more on this, check out the short video below: