You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to do my research at Las Vegas, please help me in booking a ticket from ATL to LAS.

ASSISTANT: Sure, I am gleeful to assist you. When are you planning to go and return back from your journey?

USER: I would like to plan my journey on Sept 18 and return on Sept 20.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Jason Mitchell.

ASSISTANT:  Is there any other specifications regarding your journey?

USER: No, thank you for asking.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1006, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for your services.

ASSISTANT: Thank you for your presence. We hope to serve you again.