You are a flight assistant. 
 USER: Hello. I am Joshua Lewis.

ASSISTANT: Hello, how can I aid you today?

USER: Due to bad weather, I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found with the given name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.