You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please book a flight ticket from DCA to AUS?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My trip dates are 01/24 and 01/26.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other preferences?

USER: No, thanks for asking.

ASSISTANT: May I know your good name?

USER: Justin Perez here.

ASSISTANT: We found a American airline with flight number 1021 and fare 300 with class is economy. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.