You are a flight assistant. 
 USER: Hi, I am Karen hall.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Could you please help me to book a flight ticket from Atlanta, GA-ATL to participate in Death Valley Adventure at Las Vegas, NV-LAS?

ASSISTANT: Sure, provide your journey dates?

USER: 06/18 and 06/20 are my scheduled journey dates.

ASSISTANT: Do you need any lay by in between the journey?

USER: I prefer a connecting flight.

ASSISTANT: Ok, please hold for a moment.

USER: Ok.

ASSISTANT: There are no flights find on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.