John: Hi Michael, it's great to finally meet you. I've been following your career for a while now and I'm really impressed with what you've achieved.

Michael: Thank you, John. I've heard good things about you too. Tell me more about your business.

John: Sure, it's a tech startup that provides a platform for online tutoring. We're already seeing some good traction in the market.

Michael: That's interesting. So, what's your revenue model?

John: It's a subscription-based service with different pricing tiers based on the level of personalization and access to resources.

Michael: Hmm, sounds like you've really thought this through. What's your biggest challenge right now?

John: Honestly, it's getting the word out. We've been relying on social media and word of mouth, but we need to scale that up.

Michael: Well, I can certainly help with that. I have a lot of contacts in the industry and I've helped other startups in similar situations before.

对话
根据以上这段对话内容回答：

问题：What is John's business and what is Michael's main offer to help him?
John's business is an online tutoring platform with a subscription-based revenue model. Michael's main offer to help John is to use his industry connections and experience to help scale John's business and get the word out.