You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: I would like to cancel my recent reservation, As my manager did not approved my leave on my travel date. Can you please cancel my reservation?

ASSISTANT: Sure, may I know your good name please?

USER: Kenneth Smith is my name.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately we didn't found any  reservation with your name.

USER: Ok, not an issue now. Thank you for the quick response, I am really happy with that.

ASSISTANT: Thank you for reaching us.