Access Transaction details page by:

  1. Dashboard > Click booking > Details OR
  2. Transactions > search transactions by buyer name, transaction ID or email address > Actions > Details OR
  3. Check In > Actions > Details 

From Details Page: Click Actions > Edit >

Make any changes (including adding or removing participants, changing price points). If you "remove participant:, you can enter in any cancellation fee that you would like to charge > Review and Checkout

Review changes and approve partial refund, upcharge if applicable > Finish