If you no longer need assistance with a request, you can withdraw it.
To withdraw a ticket request:
- Go to Services > Ticket Requests
- Use the search if needed to find your request
- Click the title of the ticket request
- Click Withdraw Request at the bottom left of the page
- Select the reason you're withdrawing your request
- Optionally, add more details in a comment
- Click Withdraw
Source: https://solutions.teamdynamix.com/TDClient/1965/Portal/KB/Article/170478/Ticket-Requestor-Quick-Start-Guide