3813842 - How do I disable or enable travel itineraries to auto-populate to Google Calendars?

Our company uses Google Calendar. We have found out that for Travel Assistant, Approvers, Managers, or anyone who has received an email that contains a traveler's trip itinerary, the trip is auto-populating as an event in the email receiver's Google Calendar. How can this be disabled?

When emails containing a traveler's trip, whether it is a Travel Assistant, Approver, Manager or Co-worker, the trips are auto-populating into the receiver's calendar. This is for users utilizing Google Calendar. , KBA , CON-CA-USP-EMA , Email Addresses , Problem