You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Due to heavy snow fall in my location, I need to cancel my reservation. Can you help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your previous reservation status?

USER: Myself Joseph White.

ASSISTANT: Ok Joseph, please wait a moment to check.

USER: Ok.

ASSISTANT: We regret that, there is no reservation found with your name in our records.

USER: That's ok, no problem. Thank you for your information.

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

USER: Welcome.