You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me with cancellation?

ASSISTANT: Sure, we are ravish to help you.

USER: Thank you.

ASSISTANT: To proceed further, May I know your name?

USER: Sure, my name is Charles Adams.

ASSISTANT: Ok, please wait for a moment, I will check the reservation on your name and revert to you.

USER: Sure.

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

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.