You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can I help you?

USER: I am Linda Thomas. I want to book a flight ticket from TX - AUS to PA - PHL to celebrate flower festival in Philadelphia.

ASSISTANT: Sure, may I know your trip dates?

USER: My departure day is 02/02, return day is 02/04.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight of southwest airline, flight number as 1000 with the fare of 100.

USER: You can proceed to booking, if it is a connecting flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.