You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: This is Helen Allen.

ASSISTANT: Hello Helen Allen.

USER: Could you please help me to book a flight ticket?

ASSISTANT: Sure. Could you provide the travelling details?

USER: I want to travel from PA-PHL to TX-AUS.

ASSISTANT: On which dates you would like to travel?

USER: My onward journey is on 01/27 and return would be on 01/29 with a price limit of 1000.

ASSISTANT: Give me a minute.I will just cross check with the details you have provided. Your details are matched. But please confirm the connections?

USER: Sure,I need 1 connection.

ASSISTANT: I found a flight with price limit 100 and connection is 1. Would you like me to book it for you?

USER: OK, may I know your flight details?

ASSISTANT: OK. Your flight number is 1001 with airline:UA.

USER: OK, please confirm my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Any thing else you want to know?

USER: No, thank you.

ASSISTANT: OK, have a safe journey.