You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please cancel my reservation, due to sudden demise of my Grandfather?

ASSISTANT: Sure, can I know your name please?

USER: My name is Donna Thomas.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We are glad to inform you that there is a reservation found with your given name and it has been cancelled successfully.

USER: Ok, thank you for cancelling my reservation.

ASSISTANT: Thank you for choosing us.