Click on "Manage" on deep right side of any number.
Edit the Info like Whatsapp Number, Name etc. You can even change the plan.
You can choose to assign all chats to a specific department.
Enable a sample chatbot or paste a dialogflow key to enable a chatbot. More info in DialogFlow Integration Section
We use Dialogflow to integrate chatbot to Rampwin Number. If you already have the service account key, use that.