You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your planned trip dates?

USER: The travel dates are from 12/27 to 12/29.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a flight with 1 connection limit.

ASSISTANT: May I know your name please?

USER: Angela Scott here.

ASSISTANT:  There is a flight in United airlines with the ticket price of 200 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us.