You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a flight ticket to PHL from AUS, can you please help me out?

ASSISTANT: Sure, could you please provide your journey dates?

USER: Sure, my planned travelling dates are Jan 12 and Jan 14.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you have any other specifications to be met?

USER: Yes, I prefer business class.

ASSISTANT: Can I have your name to proceed further?

USER: Sure, my name is Nicole Johnson.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.