Dear [First Name],
 
It was a pleasure meeting you at [event name] yesterday. I hope you enjoyed the event as much as I did. Your insights on [topic of discussion] were very helpful and I appreciate the time you took to share them with me.
 
I wanted to follow-up with you to see if you would be interested in meeting again soon to discuss potential opportunities for collaboration. I am particularly interested in [insert area of mutual interest] and I believe our companies could benefit from working together.
 
If you are available, I would like to schedule a meeting at your convenience. Please let me know what dates and times work best for you, and we can arrange the details.
 
Thank you again for your time and insights. I look forward to hearing back from you soon.
 
Best regards,
 
[Your Name]