Goibibo.com — Need to cancel and reschedule ticket

Address:

Bangalore, Karnataka

Hi, I have booked flight ticket through HDFC smart buy partnered with Goibibo on 4th July 2015 for AI flight scheduled on 3rd Nov 2015. I am looking for a reschedule. But The customer care is not reachable for any queries or cancellation. It says they cant identify my number i have used at the time of booking. However I have received Goibibo Ref Number, Booked Request ID, status of the payment being successful. Request to reach me urgently on [protected], since i need to reschedule my flight tickets.