You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Deborah Evans. I want to book a ticket from Atlanta, ATL to Austin. Can you please book a ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

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

USER: I want to travel on 06/06 and return on 06/08.

ASSISTANT: May I know your destination point?

USER: Destination point is Austin, AUS.

ASSISTANT: Ok, wait for a while.

USER: Sure.

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

USER: Okay, thank you for informing me.

ASSISTANT: Thanks for approaching us.