You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Here Carolyn Garcia. I need to cancel my resent reservation because my brother marriage is cancelled.

ASSISTANT: Sure, give me a minute for checking.

USER: Sure, take your own time.

ASSISTANT: On your request, I have cancelled your reservation successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for reaching us.