Development of a chatbot based on ChatGPT

We're in search of an experienced developer or team to create an advanced chatbot with OpenAI integration. This chatbot will seamlessly integrate into websites to engage users intelligently, by reading website content and providing related questions and answers. Please review the requirements and submit a detailed proposal, including time and budget estimates.

Requirements:

1- General Development:
Develop a chatbot using OpenAI's technology.
Ensure seamless integration into websites.
Preferred development languages: Javascript or PHP.

2- Administration Interface (Backend):
User-friendly admin interface for chatbot training.
Input website URLs for automatic content analysis.
Customize chatbot behavior.
Integration of the OpenAI API key.

3- Learning Process:
Chatbot learns from website content.
Generates context-aware responses with source links.
Continuously learns from user interactions.

4- Frontend Design and User Experience:
Customize appearance with image uploads.
Admin-controlled response delay for a natural conversation flow.
Notify users during response formulation.

5- Languages:
Initially supports English with potential for expansion to other languages.

*** I anticipate receiving proposals with itemized cost and time estimates.
*** Incomplete quote won't take into account.