Hello.
user
Hello, how may I help you?
assistant
Owing an emergency, I want to cancel my reservation. Can you help me for that?
user
Sure, may I know your name please?
assistant
My name is Susan Jackson.
user
We found a reservation with your given name, shall I cancel it?
assistant
Ok, please cancel  it.
user
Your flight ticket has been cancelled.
assistant
Thank you for your help.
user
Thank you for choosing us.
assistant