You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: May I know your trip dates?

USER: June 4 and 6 are my planned travelling dates.

ASSISTANT: Is there any connection limit?

USER: I need a break in your journey.

ASSISTANT: Do you have any other preferences?

USER: Nothing much to state.

ASSISTANT: May I know your good name?

USER: Helen Jackson, here.

ASSISTANT: Southwest Airlines providing connecting flight in the economy class with fare 200, shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for choosing us.