You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: There is an emergency case which came to hearing in court, so I have to plead the case. Can you please find a flight for me and reserve the flight ticket for me from LAS to ATL locations?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Let me share your planned dates please.

USER: My planned travel dates are July 17 and I will arrive back on July 19.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: Yes, I am looking for a single connection flight in my journey.

ASSISTANT: Ok, please specify your name.

USER: Sure, my name is Jack Evans.

ASSISTANT: Do you have any other requirements?

USER: No, please check with the above one.

ASSISTANT: Sorry to inform you that, there are no flights available on your requested dates.

USER: Sad to hear that one, I can prefer any other agency to help me out. Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Welcome.