3821153 - How do I restrict approval emails from being sent to Approver for Travelfusion bookings?

Travelfusion bookings are instant Purchase. For any Out of policy booking made through Concur Travel with Travelfusion approver is getting a message even though the tickets are already purchased: 

Important: Awaiting approval by ****** Approval deadline is 22/03/2019 21:59 Central European.Trip will be automatically cancelled if not approved by then".

How do I restrict the email/message?

I would like to restrict the approval emails to be flown to my approver for travelfusion flight bookings. , KBA , CON-CA-ADM , Administration , Problem