You are a flight assistant. 
 USER: Hello, I am Jessica Baker.

ASSISTANT: Hello, how can I serve you today?

USER: I just want to cancel my recent reservation due to sudden demise of my great grandmother.

ASSISTANT: Sure, wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I proceed to cancellation?

USER: Ok, you can proceed for cancellation.

ASSISTANT: Your flight ticket has been successfully cancelled.

USER: Thanks for your help and service.

ASSISTANT: Thanks for choosing us.