Air Asia — Refund of cancellation fees

PNR NO- LZD32C
Passenger Name- B Patnaik and L Patnaik
Date of flight- 06 May 2021
Booking cancelled on 02 May 2021
Payment done thru payu on 03 mar 2021 for 4817/-
Air asia has refunded whole amt to payu on 02 may 2021.
Copy of air asia email is produced below:

"Dear Guest,

Pertaining to your request for a refund of your PNR-LZD32C, I am happy to inform you that a full refund of INR 4642/-has already been processed back to the travel agent on 02nd MAY 2021. Kindly reach out to your respective travel partner for further assistance."

However, travel agent insists on transaction ID and reference number for remitting the refund. Request provide same at the earliest.
Thanks