You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a flight ticket from PHL to AUS?

ASSISTANT: Sure, can I know the travel dates please?

USER: Thank you. I have planned my travel dates as Mar 22 and Mar 24.

ASSISTANT: May I know your name please?

USER: Sure, myself Robert Young.

ASSISTANT: Can I know the connection limit please?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any requirements?

USER: I would prefer business class so please check with that.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a connecting flight in Frontier airline, can I book it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.