You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Can I know your name?

USER: Thank you for accepting my request, I have done my reservation on the name of Nicole Baker.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for your great help.

ASSISTANT: Thank you.

USER: Welcome.