You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

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

USER: I am Kathleen Allen.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: There is no active reservation found on your name in our database to cancel it.

USER: No problem, thanks for the information.

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