You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I would like to book a ticket from DCA to AUS, can you please help me out?

ASSISTANT: I am here to help you about that, can you please let me know your planned dates of journey?

USER: I am travelling on these dates March 13th and 15th.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need single connected flight.

ASSISTANT: Do you have any other requirements for this trip?

USER: I don't have any other preferences.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: Jessica Harris here.

ASSISTANT: I have found a connecting flight having a ticket fare of 300 which is provided by United airlines. Shall I proceed with the booking?

USER: Ok, you can proceed.

ASSISTANT: I have booked your flight ticket with the flight 1017.

USER: Thank you for your services.

ASSISTANT: You are welcome, thank you for reaching us.