Make an appointment with the local USCIS office and go speak to them. Take documents to show what the emergency for travel is. Good Luck!
You can try to make an InfoPass appointment at your local CIS office and present documents to prove the emergency
Samuel Ouya Maina, Esq. 415.391.6612 firstname.lastname@example.org Law Offices of S. Ouya Maina, PC 332 Pine Street, Suite 707 San Francisco, CA 94104