Integrate CometChat in a Ecommerce.

We need a custom Comet Chat widget to integrate into a web page. Here the requirements. 1. We need to create one group per event. 2. Groups are created through REST API from our backend. 3. We need to create 7 roles with their role permissions. 4. The widget MUST be responsive in the right panel. 5. The widget MUST be responsive for mobile. 5. Different actions MUST be activated for different roles in the chat. 6. Chat moderations extensions MUST be activated. 7. Connection to Dialogflow must be enabled. 8. Widget MUST be tested on your server then installed on our server. 9. Comet Chat and Python experience are required. Please provide budget delivery time.