Email

Templates with placeholders for anything the booking knows.

In the free plugin Read the manual

Write the message once and let the placeholders fill in the rest: the customer’s name, the event, the date, the seat, the amount, the balance, the joining link.

Send it from your own address through your own mail settings, so it arrives looking like you rather than like a plugin.

Email in the Eventnetic admin
From the plugin itself, not a drawing of it.