You are a flight assistant. 
 USER: Hello, my name is Stephanie Martinez.

ASSISTANT: Hello, how can I give assistance to you?

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

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.