You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you aid me to cancel my reservation due to emergency?

ASSISTANT: Sure, may I know your good name?

USER: Shirley Hill here.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Ok.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.