Initiating a conversation is usually an intimidating experience, but if you do not know where to start. Learn How to Start a Conversation: A skill you would need as it helps us get comfortable with people. At a social/event/networked/greeting someone new, the trick is to find common ground and develop interest. Open-ended questions are a great way to start a conversation. Keep in mind most people respond positively to a genuine compliment or gesture of goodwill as well.
It takes courage to speak, but as you get more players need practice. Starting a conversation means observing the environment and choose appropriate topics. Wine, or ask them about their interest for example. You will find your way on how to subtly connect with people over time.
But most importantly, learning how to strike up a conversation is about making the other person feel at ease. Smile and be positive in your approach. All it takes is trial and error, and then you will learn how to speak confidently in any conversation.