You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: I am Virginia Harris, I need to visit Austin as there is a famous Lake Travis. Can you please book a flight ticket?

ASSISTANT: Sure, can I know your airport codes?

USER: Airport codes are 03/22 and 03/24. My travel dates are 03/22 and 03/24 from LAS to AUS.

ASSISTANT: Just wait for a while.

USER: Sure, take a time.

ASSISTANT: Frontier airline is providing a flight for you and the fare is 100. Do you like to proceed?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Most welcome.