Please explain
Call them on WhatsApp? What's the number?
El Al has WhatsApp service where you can text them the PNR and request a seat preference (or a meal etc.)
Sometimes takes a while until they reply, but this way it doesn't waste your time.
Service is available Sun - Thur 8:30am - 7:00pm and Fri 8:30am - 4:00pm Israel time.
Number is +972535663033