You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Alexander Baker. I want to book a flight ticket from AUS to attend a interview, can you help me with booking a connecting flight?

ASSISTANT: Sure, I am here to help you. Can you please share your destination airport code?

USER: My destination airport code is PHL.

ASSISTANT: May I know your planned trip dates please?

USER: My trip dates Sept 18 and Sept 20.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: No.

ASSISTANT: Which class do you prefer?

USER: I need a economy class flight.

ASSISTANT: Do you have any specific departure and arrival time?

USER: My depart time is afternoon.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Delta airlines is providing you a flight with a ticket fare 300 which departs at 13:00 AM and return at 4:00 AM, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with the flight-1026 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.