You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Please find a flight for me from CLT to LAS.

ASSISTANT: Sure, I here to help you with that. May I know your travelling dates please?

USER: Ok, my journey dates are from Oct 17 to 19.

ASSISTANT: Do you have any class preference?

USER: No, I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Ok, I am Deborah Wilson.

ASSISTANT: Sorry to inform you that, there are no flights found on this route as per your travel dates.

USER: It's ok, thanks for checking.

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