Subject: Meeting on [DATE] at [TIME]
I hope this email finds you well.
As you are aware, we have a meeting scheduled for [DATE], at [TIME] and I am eagerly looking forward to meeting you. It will be a great opportunity for us to provide our strategy and roadmap to assist you in your venture.
Can you please confirm if you will be available at the above scheduled time and date? Let me know if you have any other questions.
Looking forward to meeting you soon.