You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for a shopping in Barton Creek Square at Austin, TX - AUS. Can you assist me in booking flight ticket within 500?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I want to move on 08/11 and return on 08/13.

ASSISTANT: May I know your source point?

USER: Source is DC - DCA, Washington.

ASSISTANT: Do you need any halts in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no connecting flights. May I know your name?

USER: Sure, I am Carol Campbell.

ASSISTANT: Thanks for approaching us.