Order confirmation

Is there any idea to add an order confirmation?

This would be used to implement a three-way handshake.

We send the (non-binding) quote to the customer. The customer orders.
We now send the order confirmation to the customer, to tell the customer, that we received his order and are willing to deliver.

 "Thank you for placing your order with us...."

I could however change the template to check for the status of the order. And if the order is in the state accepted print the order as an order configirmation.

Is there any best practive to handle this with invoicePlane?

Thanks a lot