You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Due to sudden demise of my Great grandmother, I just want to cancel my recent reservation. Can you please aid me with cancellation?

ASSISTANT: Sure, I am here to aid you.

USER: Thanks for accepting my request.

ASSISTANT: Ok, May I know your name to proceed further?

USER: Sure, please check my reservation on the name of Cynthia Taylor.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it is cancelled successfully.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.