You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from AUs to DCA to meet my friends.

ASSISTANT: May I know your travelling dates please?

USER: Travel dates are 09/09 to 09/11.

ASSISTANT: For further proceeding, may I know your name please?

USER: Stephanie Carter, here.

ASSISTANT: I found a flight with your requirements in Southwest airlines.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with 1019.

USER: Thank you.

ASSISTANT: Welcome.