You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I would like to cancel my flight reservation as I am sick, can you please help me?

ASSISTANT: Sure, we are glad to aid you.

USER: Thank you.

ASSISTANT: May I know your good name to trace your details?

USER: I am Barbara Miller.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

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

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us.