Prepare an appointment-change assistant for our existing Google Calendar bookings. Inspect the current workflow and how it records Event IDs without exposing credentials or unrelated customer data. Add separate reschedule and cancellation paths. Identify and review the intended appointment, check a proposed new time, and use the supported Show, Update, or Delete Google Calendar Event action only in the appropriate path. Require a clear customer decision and the access checks our process needs before any live change. Save the new draft disabled; do not modify or delete any existing event during this request. Use the Chatigram plugin for organization [organization name]. Discover the current permissions, plan limits, triggers, node types, and compatible connections before designing the solution. For conversation workflows, check the selected Line’s Private AI mode before proposing Inbox follow-up or a human handoff. Do not promise human access to private AI conversations. Prepare and save the requested workflows disabled, after showing the draft preview and any unresolved setup. Do not activate, run, assign to a live Line, send messages, or use paid processing. If a paid capability or connection is needed, explain the service, account, transferred data, and required spending approval before adding or binding it. Do not ask me to paste credentials into chat; use protected setup links. Keep unrelated resources unchanged. Finish with: what was prepared, what is still missing, which plan-dependent features are involved, and the next safe test. Do not claim execution or delivery from a draft preview.