You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to go Austin to meet my children as they are staying at hostel, so could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Dates are 08/20 and 08/22.

ASSISTANT: Help me with your depart and arrival airport codes.

USER: My airport codes are DCA-AUS.

ASSISTANT: May I know your good name please?

USER: Amy Smith here.

ASSISTANT: We found a connecting flight in UA airline has fare 100. Shall I proceed for booking?

USER: Go ahead.

ASSISTANT: Your booking has been done.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.