You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Due to an emergency case, I have to cancel my flight ticket booking. Can you please help me in that one?

ASSISTANT: Ok, I will be helping you with cancellation of your reservation.

USER: Thank you for accepting my request.

ASSISTANT: May I know your good name so I can check with your previous booking?

USER: My name is Nancy Jones.

ASSISTANT: Ok, please give me a minute to check.

USER: Sure.

ASSISTANT: Sorry, no reservation was found by your name. Sorry for the inconvenience.

USER: Ok, that.

ASSISTANT: Thank you for reaching our agency.

USER: That's fine. Thank you for your information.

ASSISTANT: Have a nice day.

USER: Welcome.