How to create an approval workflow?

We have a form that contains a leave workflow (vacation, personal day, etc).  After submitting the form the completed form gets sent to a manager (principal).   After the manager approves the request, we need the form to be sent back to the original submitter letting them know if the request was approved or not.  

Is there a way to do this?   Thanks for any assistance that you can provide and have a great day!

Yes there is, please take a look a this step by step guide regarding to approval workflows: https://www.jotform.com/help/432-A-General-Approach-on-Building-an-Approval-Process-Workflow 

Let us know if you need more help.