You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I  am Sandra Lewis. I want to book a flight ticket to meet my childhood friend who is staying at Washington DCA. Can you help me with booking from Austin AUS?

ASSISTANT: Sure, we are here to help you with booking. Please share me your planned journey dates?

USER: My trip dates are Mar 16 and Mar 18.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.