Hi name,

My name is name, and I work on the product name at Company name. My team is conducting short user interviews to improve our product and we would specifically enjoy talking to you since we noticed you recently insert customer behavior and we would like to hear your feedback on it.

Would you be able to jump on a quick call to discuss it with us? To thank you for your time, we will insert details of incentive/reward here.

Thanks, and we look forward to speaking with you!

Your name