You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to book a flight ticket from AUS to LAS?

ASSISTANT: Sure, may I know your preferred dates?

USER: I planned my trip on the dates Mar 25 and Mar 27.

ASSISTANT: Do you need any connection between your trip?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: Myself Stephanie Evans.

ASSISTANT: Do you need any other requirements?

USER: No, other specifications.

ASSISTANT: I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.