You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Dorothy Brown here.

ASSISTANT: How can I help you?

USER: I have to visit Austin to participate on a debate about financial issues in the state. So book  a flight ticket from DCA to AUS.

ASSISTANT: Can you please tell your travelling dates?

USER: And my travel dates for the journey would be from 10/23 to 10/25.

ASSISTANT: Do you have any more specifications to book a flight for you?

USER: I need a connecting flight.

ASSISTANT: For your destination I found a flight with 1 connection and ticket price is just 100 with Delta airline. Would you like me to book the ticket?

USER: Sure, you can book the flight ticket in this airline.

ASSISTANT: Your reservation is confirmed with flight 1006. Have a safe journey.

USER: Ok, thanks for your help.

ASSISTANT: Thank you and have a nice day.