Hi. I am George Thomas.
Hello, how can I serve you?
 I want to cancel my recent reservation, because I want to travel  with my friends by road.
Ok.
So, can you help me with it?
Sure, I am here to help you.
Thank you.
Please wait for a while, I will check your reservation.
Ok.
Thank you for your time, there is no reservation found on your name.
That's ok. Thank you for the response.
Thank you for availing us.