Hi  @Prabhash19 

Thanks for posting here.

ideally using their room number and last name. I want the process to be fully automated, without manually creating vouchers each time.

>>>If you need the authenticated account to be associated with the customer's name, then administrator intervention is mandatory. To achieve this, you may consider using the local user authentication method (see below).

However, expecting the controller to automatically generate customer names as verification codes would be neither reasonable nor practical.