You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to go for an emergency to AUS. Can you please aid me for booking with a direct flight?

ASSISTANT: Sure, please provide your travel dates.

USER: My travelling dates are Sept 1 and 3.

ASSISTANT: May I know your source airport code.

USER: I am boarding from DCA.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Lisa Williams.

ASSISTANT: Flight-1022 is available in UA airlines with single connection and the ticket fare is 200. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.