To cater to a specialized audience with a focus on leveraging advanced artificial intelligence capabilities, we propose the development of an AI Helper explicitly designed to facilitate the negotiation of intricate "Deals" on behalf of users. This feature would not only streamline complex negotiation processes but also significantly augment the strategic capabilities of Sintra AI.

By integrating machine learning algorithms, natural language processing (NLP), and data-driven decision-making models, the AI Helper can analyze negotiation contexts, predict counterpart behaviors, and recommend optimal strategies in real-time. Furthermore, it could adapt continuously through reinforcement learning, improving its negotiation acumen with each interaction.

This enhancement positions Sintra AI at the forefront of intelligent business solutions, providing users with a dynamic tool that drives efficiency, maximizes deal value, and supports data-backed decision-making throughout the negotiation lifecycle.