You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Steven Miller here.

ASSISTANT: How may I aid you today?

USER: I want to visit Austin zoo with my family, could you book my ticket from PHL to AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: My itinerary dates are Dec 17 and Dec 19.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Spirit airlines is providing you the connecting flight, shall I proceed?

USER: Please book my ticket.

ASSISTANT: Your ticket has been reserved with flight-1018.

USER: Thank you.

ASSISTANT: Thank you for opting us.