You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my previous reservation because I am unable to travel due to some health issues. Can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thanks a lot for accepting my request.

ASSISTANT: May I know know on whose name the ticket has been reserved formerly?

USER: The previous ticket was booked with the name Scott Hall.

ASSISTANT: Sorry Scott Hall, there are no flights reserved on your given name formerly.

USER: Oh! It is sad to hear from your end. Anyhow thank you for checking my ticket status.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: You are welcome.