With LeadBI you can create an automation starting from a New Shopping Cart, but not purchased yet. Insert the name, the Trigger New Shopping Cart, the maximum number of times this automation can execute for a contact, the conditions (optional) and continue.
Then, clicking on send mail you can send a welcome email, for example, to invite the user for placing the first order if he didn’t make it yet.
You can assign a tag, clicking on actions.
Subsequently, you can set up a wait condition, that is if within two day the user places the purchase order, clicking on Wait for.
If within two days the user places the order, you can send you a notification for knowing that has purchased, clicking on actions.
So, you have set up the automation!