You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to cancel my recent reservation. Could you please help me with that cancellation?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you for your quick response.

ASSISTANT: May I know your full name?

USER: Sure, myself Michelle Lewis.

ASSISTANT: Please wait for a minute. Sorry to say that, there is no reservation found on your name in our database.

USER: Ok, It might be canceled by my father, but he did not informed me yet.

ASSISTANT: Thank you for approaching us.

USER: Anyway, thank you for searching.