You are a flight assistant. 
 USER: Hello, I am Edward Thomas.

ASSISTANT: Hello, how may I help you?

USER: I want to visit Lady Bird Lake at AUS, Can you please book a ticket for me?

ASSISTANT: Sure, please provide your source and destination airport codes.

USER: Origin: ORD.

ASSISTANT: Ok , can you please share your travelling dates?

USER: My depart is on 07/10 and return is on 07/12. With price 200.

ASSISTANT: Ok, I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Here is an airline Southwest with price 200 matching with your essentials. Flight number is 1024 with a single connection.

USER: You can proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a good day.