You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Johnson here.

ASSISTANT: How can I help you at this moment?

USER: I want to expand my casino business from Las Vegas to Austin, could you book a flight ticket for me?

ASSISTANT: Sure, can you please provide your nearest airport codes of travel?

USER: My airport codes are LAS and AUS.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: My trip dates are 09/29 and 10/01.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Delta airlines is available with 1 connection limit and ticket costs you 100 only. Shall I book your ticket?

USER: Please book my ticket.

ASSISTANT: Angela Johnson, your ticket is booked with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.