You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am trying to cancel the past ticket which is booked in the last week but I am not getting the confirmation at the end, can you please assist me to cancel the ticket?

ASSISTANT: Sure, I can assist you with that cancellation.

USER: Thank you for accepting my request.

ASSISTANT: Please hold for a moment, let me check your previous reservation status.

USER: Please check the ticket status with the name Betty Lewis.

ASSISTANT: Sorry to say that, there is no reservation found with your name in our database to cancel it.

USER: It's ok, thank you for searching the ticket status.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are most welcome.