Proceed with creating a new DL once the approval is granted.
1. Go to Exchange Admin Center and click on '+' icon under groups tab.
2. Select 'Distribution Group' and fill out the display name and alias.
Please note to always add . before the display name for DLs.
The alias is used to generate the email address of the group.
3. Under OU, select Distribution list
3. Add the members and owners as requested in the ticket
4. Click 'save' and send a test email to the DL created to ensure it is working as expected.