"Can you elucidate the intricate sequential stages, procedural actions, and requisite prerequisites involved in the conceptualization, blueprint creation, and subsequent development of a sophisticated, conversational AI-driven, voice or text-based virtual assistant, specifically designed for delivering personalized, tailored financial advice, strategic monetary planning services, and investment guidance? Additionally, could you provide a comprehensive analysis on the integration and implementation of advanced AI technologies, such as OpenAI's GPT-3 or other comparable machine learning models, into the user interface, user experience design, and overall architectural structure of the virtual assistant, to enhance its cognitive capabilities and user interaction efficiency?"

"How can we leverage [natural language processing/NLP], [machine learning/ML], and [big data analytics] techniques to enhance the [accuracy/reliability/personalization] of the [financial advice/recommendations/planning] provided by the virtual assistant, and what [datasets/algorithms/models] are [recommended/available] for this purpose?"

"What are some [best practices/tips/guidelines] for [training/evaluating/testing] a virtual assistant for providing [comprehensive/real-time/on-demand] financial advice and planning services, and how can [user feedback/analytics/anomaly detection] be used to improve the [performance/efficiency/effectiveness] of the virtual assistant over time?"

"How can we ensure the [privacy/security/compliance] of [user data/sensitive information/personal details] in the [design/development/implementation] of the virtual assistant, and what [regulations/standards/protocols] should be followed to [minimize/mitigate/address] potential [risks/threats/vulnerabilities] associated with the virtual assistant?"

"What are some [potential/anticipated/unforeseen] challenges or [opportunities/benefits] associated with [deploying/sustaining/evolving] a virtual assistant for financial advice and planning, and how can [ChatGPT/other AI technologies] be used to [address/solve/mitigate] these challenges or capitalize on these opportunities?"