You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to bad weather conditions, I need to cancel my existing reservation. Can you please help me in that?

ASSISTANT: Sure, I am glad to help you out.

USER: Thank you.

ASSISTANT: May I know your name to check your reservation status?

USER: I am Charles Clark.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.