You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I have to cancel  my reservation due to my planned trip got cancelled. So please help me with that.

ASSISTANT: Sure, I am gleeful to help you with that. May I know name please?

USER: Thank you. Please check the  reservation with my name Anna Carter.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: There is no active reservation found on your name in our database to cancel.

USER: Oh! It may not be booked properly. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Most welcome.