You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to confirm my ticket from LAS to EWR. Can you guide me in booking?

ASSISTANT: Sure, could you please share your journey dates?

USER: My preferred travelling dates are from 02/23 to 02/25. I need 1 connecting flight with a fare of 200.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, thank you for your quick response.

ASSISTANT: May I know your good name?

USER: Myself Kimberly lee.

ASSISTANT: Thank you, have a good day.