If a request has been erroneously logged-in under a different account, then you can change the account instead of creating a new request.
To change account:
1. Go to the Requests tab and click the subject line of the desired request.
2. Select Change Account from the Actions drop-down menu.
3. In the request edit form, select the preferred account and the corresponding contact name.
4. Add appropriate Reason and then click Update Request.