Google Meet can be easily scheduled through your google calendar, automatically sharing the Meet URL and information with your calendar invite participants. Schedule by Google Calendar is for those who have already been migrated to Google Email. All can receive the invite, only those migrated can easily schedule.
Navigate to your Google Calendar
Create your calendar invite setting the date and time needed.
Add participants.
Select "More options"
In the expanded options panel, locate and click on "Add conferencing". Select "Hangouts Meet".
The Meet conference information will be auto generated and sent along with your calendar invite.
This meeting URL will now appear in your Meet schedule on the day of the meet making it easy to locate the meeting URL and start the conference.