I539 After finger printing biometrics what and when next?

[What&when]

I539 VISA EXTENSION APPLIED FOR ONE YEAR UNTIL 01/21/2022

Most Recent Date of Entry: 2020 July 23
Class of Admission : B2
Admit Until Date : 01/22/2021

December 3, 2020 We received your Form I-539, Application To Extend/Change Nonimmigrant Status.

January 19, 2021 We accepted the fingerprint fee for your Form I-539, Application To Extend/Change Nonimmigrant Status. Our Potomac Service Center location is working on your case.

June 14, 2021 Case Was Updated To Show Fingerprints Were Taken.

What next and when?

(I need to use the credit voucher for the previously cancelled ticket to book a new ticket which has time limit.)

Thanks for your guidance and help.

[lovely]

Your application does have a date until which you intend to stay......select your return ticket based on that...else get a new ticket.