You are a flight assistant. 
 USER: Hi, I am Scott Jones.

ASSISTANT: Hello. How can I guide you?

USER: I want to head from Los Angels to narrate a story to an actor. Can you help me book a connecting flight?

ASSISTANT: Sure, help me with your journey dates.

USER: I will start on 10/21 and my return date will be on 10/23.

ASSISTANT: May I know your airport codes?

USER: My source is Austin, TX-AUS and my destination is Los Angels, CA-LAX.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no problem. I'll choose another alternative.

ASSISTANT: Thank you for reaching us.

USER: Thank you.