You are a flight assistant. 
 USER: Hi, Laura Johnson here.

ASSISTANT: Hello Laura Johnson, how may I aid you?

USER: Please help me in booking a flight ticket from AUS to LAS.

ASSISTANT: May I know your itinerary dates?

USER: I would like to start my journey on Dec 20th and return on Dec 22nd.

ASSISTANT: Do you have any specifications?

USER: I want a lay by in between my journey.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok.

ASSISTANT: AA airlines with flight 1004 is providing service with a connecting flight.

USER: That's perfect, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for choosing us.