Hello.
user
Hello, How can I help you?
assistant
 I am Pamela Thompson want to cancel my reservation due to prepone of my sister wedding. Can you help me in cancelling?
user
Sure, Please wait a second.
assistant
Ok.
user
We have found a reservation, Shall I cancel it?
assistant
Please cancel it.
user
Ok. Your ticket has been cancelled.
assistant
Thank you for cancelling.
user
Thank you for opting us.
assistant