Do not pretend that your Bot is a human, because that will only create a false illusion and in the end a disappointment in your users, who unconsciously increased their expectations in your Bot.
So your greeting should look something like this:
I'm Barnie, the Nom-Nom Bot assistant!
This simple statement lets us see immediately Jewelry Retouching Service that we are talking to a Bot and try to keep the conversation always simple, otherwise you can generate conversations that have nothing to do with your business.
3.Offers unlimited exploration:
Think of your Chatbot as an app, that users want to know from start to finish. During the interaction, they should be able to select various options simply out of curiosity. The worst thing you can do is not give your customers a way to undo things, which will lead to them regretting interacting with your Bot and not wanting to use it again.
With the Nom-Nom Bot project, I decided to let the user know from the beginning that all actions the bot performs can be easily undone, without any repercussions.