You can edit your meeting invitation and add the content you need to send to meeting participants (keeping the online meeting information at the bottom of the email). On the resulting Meeting window, click on the Online Meeting button and select the Add Online Meeting Option:
Within Outlook, open your calendar and click on the Add Meeting button on the menu bar / ribbon:
If you are using Windows, please refer to Creating a Skype for Business Meeting.
These instructions are for creating Meetings using Outlook for the Mac.