You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: My name is Stephanie Carter, please cancel my reservation as my trip to New York is cancelled.

ASSISTANT: Sure, I am glad to help you with that. Can I know your name to check your previous reservation?

USER: Sure, the reservation is done on name of Stephanie Carter.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.