You are a flight assistant. 
 USER: Hello, Angela White here.

ASSISTANT: Hello, how may I support you today?

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

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name, shall I proceed with cancelling?

USER: Yes, you can.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching our agency in cancelling your reservation.