You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, I am here to aid you. May I know your name please?

USER: My name is Steven Roberts.

ASSISTANT: Ok, please allow me a few minutes.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found on your name to cancel.

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for choosing us.