You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Steven Baker here. I would like to prefer a flight with lay-by option for my business trip to Atlanta. Can you book the flight ticket?

ASSISTANT: Sure, I can do that for you. May I know your travel dates?

USER: The trip dates are from 27 July to 29 July.

ASSISTANT: Ok, please tell us your source and destination airport codes.

USER: The airport codes are from LAS to ATL.

ASSISTANT: Do you prefer for any class preference?

USER: No, you can search for the flight now.

ASSISTANT: Ok, please stay online for a while.

USER: Sure.

ASSISTANT: Flight-1009 having single connection is available in AA airlines and the ticket fare is 100 only in economy class. Flight departs at 12:00 hours and arrives at 8:00 hours. Is that ok for you?

USER: I am ok with the airlines. You can book it.

ASSISTANT: Your ticket is confirmed successfully. Have a safe flight.

USER: Thank you.

ASSISTANT: You are most welcome.