You need to change the Timeline, with events for each step of each meeting. Inside, you will see(not in the timeline)
3 options:
Created: This will be set, when you set the reminder
Tags: This just sets the date of the actul meeting with the person
Reminder: Affter Dupilcating, you will be able to "@ Yourslf"
Reminder 2: You can set dates ot remind yourself to your email, like this "@remind tommrow or "@remind june 1st" May 25, 2021 (like this)
You can add other propeties or sections if needed to help you.