You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my recent reservation, due to bad weather conditions. Can you please help me with cancellation?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is David Taylor.

ASSISTANT: Please wait for a minute.

USER: Sure.

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

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.