Regardless of where you start with AI, chatbot for customer service, an Alexa skill .... before you get going you need to choose the most important part of the project.

The people and the Process!

What team of people will you get together to help you, the business process that you are looking to automate or move to AI and the people impacted by that process.  Internal people, like the call centre, for example if you are implementing a chatbot for customer service or the external people, for example the customer.