You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Moore.

ASSISTANT: How can I help you out?

USER: I would like to attend a seminar at Washington, can you help me to book a flight ticket from AUS to DCA?

ASSISTANT: Sure, we are gleeful to help you. When are you willing to travel?

USER: I am travelling from Dec 17 to Dec 19.

ASSISTANT: Is there any preferences for you?

USER: No.

ASSISTANT: Thanks for providing details, there is flight found with single connection in Southwest airline with a fare of 300 and the flight number is 1022. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.