When new user emails support for ticket creation. The email value is used as the new users Name as well. The older Web Help Desk parses the Display Name out as the users Name value.
This would be helpful to see Display Name of user submitting request, so that we know who we are talking to; in most cases.
For a staffing company, provisioning is not an option as we support contractors at some of the largest tech companies. Where we do not have access to their tenants to setup provisioning.