I want to cancel the ride:
Tap on "My offered rides" you will see the rides offered by you. Tap on the ride which you want to cancel and tap on delete icon at the bottom left of the ride. In case you face any issues please tap on the conversation icon ( ) in "Customer Support" and write to us with detailed query. We will get in touch with you instantly and will resolve it to your satisfaction.
Please share the booking Id if any along with the query , this will help us to resolve the issue instantly. Below are the screenshots which will help you to find the conversation icon.

Conversation Icon: Menu > Customer Support > Support

(Please do not tap on the above image)