Ola Cabs / Ani Technologies — Cab driver cancelled ride at last moment

I have booked ola cab to Chandigarh railway station at around 0600 hrs in morning today. I contacted driver at his m.no. [protected] and he sure me for pickup and reaching my place within 5 minutes. But after 15 minutes I saw my cab was cancelled which makes me in trouble and I have also missed my train due to cab driver.
Request take serious action against him