Hi.
Hello, how can I render you today?
I am unable to travel to airport to board my flight due to severe accident in my way to airport. So, please cancel my reservation.
Sure, I will help you with that.
Thank you.
 May I know your name to check your details in our database?
Charles Miller is my name.
Ok, please wait a while.
OK.
Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
May be I have done with other agency, ok no problem. Thanks for the information.
Thank you for choosing us.