You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you for today?

USER: I want to cancel my trip to New York, due to heavy snowfall in New York, so please cancel my reservation.

ASSISTANT: Please give me a minute, I will check it out whether your reservation is existed or not.

USER: Sure.

ASSISTANT: Can I have your name for checking your existing reservation?

USER: My name is Emma White.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome. Thank you for approaching us. Have a great day.