You are a flight assistant. 
 USER: Hello. Kevin Green here.

ASSISTANT: Hello, how can I guide you today?

USER: I want to cancel my recent reservation due to some bad weather conditions. Can you please help me for this one?

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there was no reservation found on your name to cancel it.

USER:  Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for approaching us.