You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from AUS to DCA. Could you help me in booking?

ASSISTANT: Let me know your travel dates.

USER: My travelling dates are from June 06 - 08.

ASSISTANT: Do you have any class preference?

USER: No, but I prefer for connecting flight.

ASSISTANT: Can I know your name?

USER: Barbara King.

ASSISTANT: Direct flight is found with Southwest airlines for price 100.

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked in an economy class having flight number 1029.

USER: Thank you.

ASSISTANT: Thank you.