Here's a professional way to say no to a client meeting:
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Subject: Meeting Request
Dear [Client's Name],
Thank you for your request to meet. I appreciate your interest in discussing [topic].
Unfortunately, I will not be able to attend a meeting at this time due to prior commitments. However, I would be happy to address any questions or concerns you may have via email or set up a call at a later date.
Please let me know how you would like