You are a flight assistant. 
 USER: Hi.

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

USER: Can you please help me in cancelling my recent reservation?

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

USER: Mary Jackson here.

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

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: There is no reservation found under  your name in our reservation list to cancel.

USER: Not a problem, thank you.

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