If you receive a nice feedback from your customer, you can use an impromptu message to thank your customer for the nice appreciation with possibly a request to post a nice Google Review for your business.
You can create the template yourself or have MFX design it for your company.
Select spontaneous message from the contact menu.

Step 1
Select gratitude

Step 2
Find and select customer

Step 3
Select email

Step 4
Click on send