Dear __________ (name),
Greetings of the day!
I hope you are doing well. It has always been a great pleasure for us to serve you better. We believe in providing the best possible service to the clients. Respected, your feedback/reviews help us grow.
We hereby would like to know if you are interested in filling up the testimonial for our _________ (services/ product name). This would help us to know how we could serve in a way that could be appreciated by all. In case, you find yourself interested, you may click on the link mentioned below and submit your response:
[Mention your like here]
Thanking you,
___________ (mention your name),
___________ (designation)