You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Martinez.

ASSISTANT: How can I help you today?

USER: I am planning to visit DCA to meet my friend, can you please find a flight from AUS?

ASSISTANT: Sure, please share your trip dates too.

USER: My trip dates are from 12/18 till 12/20.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Please proced.

ASSISTANT: Your booking is done with light 1000 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.