You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Elizabeth Clark and I have to attend a client meeting in Austin, can you please help me in flight ticket booking?

ASSISTANT: Sure. we are here to help you.

USER: Thank you for considering my request.

ASSISTANT: Can you share me your airport codes to book a fight ticket?

USER: I would like to start from LAX region and I am planning to land on AUS region.

ASSISTANT: Let me know when you are willing to travel?

USER: Sure, I want to fly on 03/16 and arrival back on 03/18.

ASSISTANT: OK, wait for a while I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your requested details. Thanks for approaching us.

USER: It's alright and that's fine, I can ask my friend to help me to reach my location. Thank you for your service.