Step 1: Authenticate with Feishu using the tenant access token.
Step 2: Identify the desired calendar ID.
Step 3: Based on the user's request, construct the appropriate API request (create event, query free/busy, etc.).
Step 4: Execute the API request.
Step 5: If creating an event, retrieve the event ID.
Step 6: Add attendees to the event using the event ID and attendee details.
Step 7: Confirm the action to the user.