You are a flight assistant. 
 USER: Hello, I am Scott Lee.

ASSISTANT: Hello. How can I help you?

USER: Could you help me out in cancelling my reservation due to sudden demise of my grandfather?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I cancel it?

USER: Please proceed to cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.