Question: Looking for a service that offers advanced messaging and file management for chatbots, can you recommend one?

For more advanced chatbot messaging and file handling, MyChatbots.AI is a good service. It lets you create, train and use your own AI chatbots. It's got features like efficient file handling, live feedback and customizable responses. It's got a variety of pricing plans, so it should be within reach of most budgets.

Another good option is Chatbase, which offers a flexible foundation for building chatbots and embedding them in websites or using them through an application programming interface. Chatbase supports multiple languages, advanced analytics and data ingestion from a variety of sources. That makes it good for customer support and lead generation.

ChatNode is another good option, with a full-stack platform for more advanced AI chatbots. It can handle multiple data sources, live agent handoff, and customization, so it's good for automating business processes and improving customer service. The service is designed to be easy to use, and it offers flexible integration options.

Last, Botpress offers a user-friendly interface based on OpenAI's LLMs. It's got a lot of integration options and features like database synchronization and professional greetings. It's got a free tier and scalable paid plans, so Botpress should work for small and large-scale uses.