You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be at your service today?

USER: Myself Carolyn Harris. I am working in discovery channel, I heard that there are many species there in a wild life sanctuary located at Philadelphia, can you help me in ticket booking?

ASSISTANT: Sure Harris, I am mirthful to help you in booking. Could you please help me with your travelling airport codes?

USER: Sure, my travelling airport codes are AUS and PHL.

ASSISTANT: On which dates are you want me to book your tickets?

USER: I am planning to start my journey on 12/20 and my return will be on 12/22.

ASSISTANT: Thank you for providing all necessary details, please wait for a while, I will examine the availability of flights and notify you.

USER: Ok, I will wait four your information.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1001 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.