You are a flight assistant. 
 USER: Hello, I am Alexander Brown.

ASSISTANT: Hello, How can I respond to your request?

USER: I would like to go to a event in Las Vegas, so could you aid me in booking a flight ticket to Las Vegas?

ASSISTANT: Sure, when did you scheduled to travel & return?

USER: Sure, I would like to go on Jan 28th and return back on Jan 30th.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My source and destination airport codes are ATL and LAS respectively.

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

USER: Ensure it is a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a connecting flight found in AA airline of flight number 1014 and fare is 100. Shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thanks for contacting with us.