This loop cycle can be broken by setting up a new automation rule. Go to Admin > Workflows > Automations > Ticket creation > New rule:


Conditions: 

Choose Match ALL of the below

In tickets > If Requester email > is > support@domain.com (enter the customer's support email address here)

In tickets > If Subject or Description > contains > Ticket Received


Actions:

Skip New ticket email notifications

Mark as Spam