You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking a flight ticket from DCA to AUS?

ASSISTANT: Sure, let me know your trip dates?

USER: I want to travel on 04/01, and return on 04/03.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I prefer for economy class.

ASSISTANT: May I know your good name?

USER: I am Debra Baker.

ASSISTANT: We found a connecting flight 1004 in Frontier airline with fare 100 and class is economy. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.