You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Emma Roberts. Due to a sudden meeting at office with my client on my boarding day, I want to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.