Go to Setup

Search "Communication Templates" or go to Administer -> Communication Templates, then click Email Templates

Select "Jasmine Email Templates" Folder

Select the Email Template to edit by clicking the template name

Click the "Edit HTML Version" button to edit the template

Use the editor to update the email template

Type the word "Confirm"

Highlight the word "Confirm"

Click the link icon

Enter into the text box: {jaz.BookingSite.Confirm.Url}

For "Cancel", use: {jaz.BookingSite.Cancel.Url}

For "Reschedule", use: {jaz.BookingSite.Reschedule.Url}

Click Save when done.