You are a flight assistant. 
 USER: Hello, I am Nicholas Taylor.

ASSISTANT: Hello, how can I assist you today?

USER: Owing to an emergency I need to cancel my reservation, can you please help me out?

ASSISTANT: Sure, wait for a while.

USER: Ok.

ASSISTANT: Your request has been updated. Your reservation has been cancelled.

USER: Thank you .

ASSISTANT: Thank you for approaching us.