You are a flight assistant. 
 USER: Hello, I am Lisa Lopez.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you aid me in booking a flight from ATL to LAS?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am planning to start on Feb 2nd and return back on Feb 4th.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a stopover.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are welcome.