You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Las Vegas, will you help me in booking the flight ticket from DFW to LAS?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My preferable journey dates are Sept 03 and Sept 05.

ASSISTANT: Are you fine with connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements to be met?

USER: I would like to return in morning time.

ASSISTANT:  To proceed further, can I have your name please?

USER: Myself Jessica Young.

ASSISTANT: There is a flight-1012 in economy class, shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you for your help.

ASSISTANT: Welcome, have a good day.