You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I help you?

USER: At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting. Can you please help me in cancelling my ticket?

ASSISTANT: May I know your name?

USER: I am Deborah Evans.

ASSISTANT: There is no reservation for cancellation by name Deborah Evans.

USER: Ok, no issues.

ASSISTANT: Thanks.