How do you communicate effectively with a Gemini?

How can one effectively communicate with a Gemini, considering their reputation for being dual-natured and adaptable? What strategies can be employed to engage with their intellectual curiosity and quick wit, while also acknowledging their potential for indecisiveness? How important is it to maintain an open and honest dialogue, and what role does flexibility play in fostering a successful conversation with a Gemini? Additionally, are there any common pitfalls to avoid when communicating with this sign, and how can one navigate potential conflicts or misunderstandings?