Air India — Regarding rescheduling of air india flight

Dear sir,
I have booked two flights ( ie delhi to goa and goa to delhi).my booking reference no. is JB0M1 and HL83V respectively. but my flight has been rescheduled. and the second flight (HL83V) timing revised to 0200 pm to 0400 pm on 18 feb 22 but I want this flight to be on 17 feb 22 from 0200pm to 0400pm. i didn't get new itinerary till now as I have already called air india customer services six times, but they did not resolved my issue yet and they always keep my call on hold.it is very annoying for me to keep calling customer care so kindly resolved my issue ASAP