You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my reservation due to sudden demise of my second cousin. Please, aid me with cancellation.

ASSISTANT: Sure, I am here to aid you. To proceed for cancellation, May I know your name?

USER: Charles Hall.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Okay, thanks for your response.

ASSISTANT: Thank you for contacting our agency.