Hello.
user
Hello. How may I guide you?
assistant
Owning to an emergency, I want to cancel my recent reservation. Can you help me?
user
Sure, I can help you and may I know your name for checking purpose?
assistant
Thank you. Yes,  I am Janet Phillips.
user
Please give me a moment.
assistant
Sure.
user
Thank you for waiting, there is no flight ticket found for the user name in our data base to help you in flight ticket cancellation.
assistant
That's fine, no problem. Anyway's thank you for your information.
user
You are most welcome and thank you for reaching us.
assistant