You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: The planned trip got cancelled, so can you please help me with my flight ticket cancellation process?

ASSISTANT: Sure, please share your good name?

USER: Thank you for considering my request and my name is Carolyn Johnson.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for your time, there is no active reservation found with given name.

USER: No problem, I think the ticket booking is not done while I was booking. Thank you for your information.

ASSISTANT: Ok, thank you.

USER: Welcome.