Dear [First Name],
 
We hope this email finds you well. We appreciate your recent purchase of our [product/service] and we hope you are satisfied with your experience. As part of our ongoing efforts to improve our offerings, we would be grateful for your feedback.
 
We would appreciate it if you could take a few minutes to answer the following questions:
 
1. How satisfied are you with our [product/service]?
2. What did you like most about our [product/service]?
3. What could we improve on?
4. Would you recommend our [product/service] to others?
5. Any additional comments or feedback?
 
Your honest feedback is important to us, and we will use it to continue to improve our products/services to better meet your needs.
 
Thank you for taking the time to provide your feedback. If you have any further questions or concerns, please do not hesitate to reach out to us.
 
Best regards,
 
[Your Name]
[Your Company Name]