You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: My name is Kevin Carter. Please help me to book a flight ticket from AUS to PHL.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My journey dates are from Dec, 01 to Dec, 03.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: I need to return in the morning and I need a single connecting flight.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: There is a flight with the connecting flight of fare 300 of AA airline, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1000, your depart time is at 22:00PM and return time is at 6:00AM.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe flight.