You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Please help me to book a flight ticket from PHL to AUS.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My journey dates are from Oct, 03 to Oct, 05.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am happy with any class.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: There is a connecting flight-1006 in Delta Airlines with a fare of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: May I know your name please?

USER: Robert Lee.

ASSISTANT: Robert Lee, your booking is confirmed successfully in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.