You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Elizabeth Moore. I want to book a ticket from Washington, IAD to Austin, AUS. Can I you please help me?

ASSISTANT: Sure, do you have any specifications in connection?

USER: Yes, I need a single connection in between journey.

ASSISTANT: Can you please forward your journey dates?

USER: Journey dates are on 02/19 and 02/21.

ASSISTANT: How much can you spend for air fare?

USER: I can spend only 1000.

ASSISTANT: Thanks for giving all details, no flights available on your requested dates.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.