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A booking in Cal ID can change hands in three directions: you move it, you ask the attendee to move it, or the attendee changes it themselves from their inbox. Each route sends an automatic update to both sides, so nobody is left holding an outdated calendar entry. If you only need the quick version — open a booking and click Reschedule or Cancel event — see View booking details. This page covers the full picture: who can act, what they receive, and where the options disappear.

Who can change a booking

Attendees never need a Cal ID account. Everything they can do reaches them by email.

Cancel or reschedule from the Bookings tab

1

Open Bookings

Click Bookings in the left sidebar.
2

Find the booking

Locate the meeting under Bookings → Upcoming.
3

Open the actions menu

Click the three dots (…) at the right of the booking row.
4

Choose an action

Pick Reschedule booking to select a new date and time yourself, Cancel event to call the meeting off, or Request reschedule to hand the choice back to the attendee.
5

Add a reason and confirm

Every action accepts an optional note. Whatever you write is included in the email the other side receives, so use it to explain the change.
Bookings list on the Upcoming tab with the three-dot actions menu open on one row, listing Reschedule booking, Request reschedule, and Cancel event

Choosing what happens to a booking

Reschedule versus request reschedule

The two options look similar in the menu but behave differently.
Use Request reschedule when you are the one who became unavailable but have no idea which of your remaining slots suits the attendee. It avoids a round of back-and-forth email.

Cancel or reschedule from the calendar

The unified calendar is faster when you are moving several meetings around in one sitting.
1

Open the calendar

Click Calendar in the left sidebar.
2

Drag to reschedule

Drag the meeting block to a new day or time. The booking updates to the slot you drop it on.
3

Click to cancel

Click the meeting block, choose Cancel, add an optional reason, and confirm.
Unified Calendar week view with a meeting block mid-drag between two time slots, showing its original position and the target slot

Shifting meetings without opening each one

How attendees cancel or reschedule

1

Open the confirmation email

The attendee opens the original booking confirmation, or any reminder that followed it.
2

Use the links in the email

Each email carries Reschedule and Cancel links.
3

Complete the change

Reschedule opens your booking page so they can choose another slot. Cancel lets them submit a reason and frees the slot for someone else.
These links appear only if rescheduling and cancellation are enabled on the event type. When they are turned off, the links are absent and the attendee has to contact you directly. See Disable rescheduling and cancelling.

What each side receives

A change never requires the attendee to re-accept the meeting.
  • On a reschedule: Cal ID emails both sides with the new time, moves the entry on any connected calendar, and fires the BOOKING_RESCHEDULED webhook. The booking stays under Upcoming at its new time.
  • On a cancellation: Cal ID emails both sides with the cancellation and any reason you supplied, removes the entry from connected calendars, and fires the BOOKING_CANCELLED webhook. The booking moves to Bookings → Cancelled.
  • On a request reschedule: the attendee gets a private booking link. A new time is only set once they choose one.
Because there is no separate “attendee re-confirmed” state after an organizer-initiated change, check the attendee’s RSVP status on your connected calendar if you need proof they saw the update.

Edge cases worth knowing

  • Past bookings. Whether a finished meeting can still be moved depends on the event type. See Allow rescheduling past bookings.
  • Recurring bookings. These appear under Bookings → Recurring. Act on the individual occurrence you want to change.
  • Unconfirmed bookings. A booking still awaiting your approval sits under Bookings → Unconfirmed. Reject it there rather than cancelling it.
  • Team bookings. If the assigned host is unavailable but the meeting should still go ahead, reassign it instead of cancelling. See Reassigning a team booking.
  • Rebooking a cancelled slot. A cancellation link can be turned into a fresh booking path. See Book via reschedule link.

More booking management

View booking details

Open any booking to see attendee info, notes, links, and workflow status.

Reassign a team booking

Hand a round-robin meeting to another host without cancelling it.

Disable rescheduling and cancelling

Remove the attendee-facing links for a specific event type.

Booking webhooks

React to BOOKING_RESCHEDULED and BOOKING_CANCELLED in your own systems.