Domino's Pizza — Cancellation of order

Address:	Rohtak
Website:	Dominos.co.in

I had placed an advance order on 11:53 pm on 24 nov 2020 for 1:45 pm. But plan changed. I have to go for a work. So i tried to contact customer care, chatbot was not allowing to cancel my order and neither store were picking my phone. I called them 20 times.order no.[protected]. It was a prepaid order of rs 311.Please help me refund my amouny