You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit Austin with my friends to enjoy the holidays. Can you help me to book a ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are IAH-AUS.

ASSISTANT: Could you please provide me your depart and return dates?

USER: My trip dates are 06/30 and 07/02.

ASSISTANT: May I know your name please?

USER: Betty Lewis here.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found a JetBlue airline, flight number: 1004, price: 200 with one connection.

USER: Please do the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.