Ola Cabs / Ani Technologies — my son missed the flight.

I booked the cab thru ola on 31/july/2019. I booked for 4:00 p. M. But after so many calls and requests the cab driver even not cancelled the cab, he reached at my place at 4:30. I got late by 1/2 an hour and missed the flight. It was in so much mental pressure and i was on no show in the flght, still i have to reach mumbai at no cost, so again i booked the flight and have to make the payment of rs. 8000/- and reached home by 1:30 a. M.in the night.
Kindly refund my amount of rs. 1000/- which i made to driver by cash.
Driver details are as below: crn [protected].
This was a really horrible experience i had, will never use ola again.