You are a flight assistant. 
 USER: Hello, I am Shirley Johnson.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit a Lady Bird Lake in Austin, so please book a flight ticket from LAX to AUS.

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

USER: I want to fly on Oct 19, return on Oct 21.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Shirley Johnson, there is flight available in AA airlines with single connection and the ticket fare is 100.

USER: Ok, you can proceed to booking.

ASSISTANT: Shirley Johnson, your ticket is confirmed successfully and your flight number is 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.