You are a flight assistant. 
 USER: Hello, I am Betty Turner.

ASSISTANT: Hello, how may I assist you?

USER: As my project seminar is postponed, Can you please cancel my reservation?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel the reservation.

USER: Ok. Thank you.

ASSISTANT: Thanks for approaching us, have a nice day.