Hello.
user
Hello, how may I serve you at this moment?
assistant
Owing to an emergency,  I need to cancel my previous flight ticket booking. Can you please help me?
user
Sure, I will help you. Please wait for a moment.
assistant
Thank you for accepting my request.
user
May I know your name?
assistant
My name is Andrew Edwards.
user
Sorry, there is no reservation existing on your name.
assistant
No problem with that one, thank you for checking my reservation.
user
You are welcome, have a nice day.
assistant