Before a customer has been found, the upper area of the landing page looks like this:

To search for a customer, start typing in the Search field. Once two letters have been entered, the search commences. It is also possible to search for a phone number, or email.

Select the wanted customer from the search result. Once you have found a customer, the upper left area will look like this:

If you want to remove the customer from the appointment and go back to the customer search, click Clear & search.