> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://appointyhelpdesk.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Why I cannot reschedule some appointments?

Appointments can only be rescheduled on a upcoming date. Please make sure that you are not rescheduling an appointment to a time in past.