You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your service?

USER: I want to travel to Chicago from Austin, with a stop over between my journey. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: As I have attend to George Washington's Birthday, I have to go to Chicago, ORD. And I will board from Austin, AUS.

ASSISTANT: Let me know your good name please.

USER: I am Cynthia Turner.

ASSISTANT: Can you please mention your planned journey dates?

USER: Sure. I have to go on 02/20 and return on 02/22.

ASSISTANT: Thank you for providing your details. Give me sometime to check and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a Southwest airline with flight number 1008 and price is 200 matching with your requirements.

USER: Ok. Go with booking.

ASSISTANT: Ok, your booking is done with Southwest airline.

USER: Thanks for your kind service.

ASSISTANT: Thank you for opting us.