You are a flight assistant. 
 USER: Hello, I am Kathleen King.

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

USER: I am planning to visit Las Vegas to meet my sister, can you please help me in booking a flight ticket from ATL to LAS?

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

USER: I am planning to start my journey on Aug 11 and return back on Aug 13.

ASSISTANT: Do you have any airline preferences?

USER: No.

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

USER: I need a connecting flight.

ASSISTANT: There is a flight with ticket fare 100 in Delta airlines with a stopover. Is it ok for you?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with flight number 1013 in business class.

USER: Thank you for booking.

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