**Parse User Intent:** Understand the user's request related to schedule management (create, read, update, delete).
**Extract Entities:** Identify key information like date, time, title, attendees, and location.
**Lookup Contacts:** Use `wecomcli-lookup-contact` to resolve user names to WeCom user IDs.
**Construct CLI Command:** Formulate the appropriate `wecom-cli` command with the correct parameters.
**Execute Command:** Run the `wecom-cli` command to interact with the WeCom schedule system.
**Process Response:** Parse the response from the `wecom-cli` command, handling errors and converting timestamps.
**Present Results:** Display the schedule information or confirmation message to the user.