We are going to write a reply to the following email:

Hi, I'm wanting to cancel my appointment for the 22nd

Thanks,
Client
Subject: Appointment Cancellation Confirmation

Hi [Client's Name],

Thank you for reaching out. I have successfully canceled your appointment for the 22nd. If you need to reschedule or have any other questions, please feel free to let me know.

Best regards,  
[Your Name]  
[Your Position]  
[Your Contact Information]  
[Your Company Name]  
Subject: Re: Cancellation of Appointment on the 22nd

Dear Client,

Thank you for letting us know in advance about your decision to cancel your appointment for the 22nd. We understand that unexpected circumstances may arise, and we appreciate your prompt notification.

To confirm, your appointment has been cancelled. If you would like to reschedule for another date or time, please don't hesitate to reach out to us, and we will be happy to assist you.

Thank you for choosing our services. We look forward to serving you again in the future.

Best regards,

[Your Name]
[Your Position]
[Your Contact Information]