You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Debra King here. Can you please help me in booking my flight from IAD to reach AUS, as I have a meeting there?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Sure, my planned travel dates are June 11th and June 13th.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your departure and arrival time?

USER: I want to return in the afternoon time.

ASSISTANT: Which class do you prefer for your journey?

USER: I am comfortable in any class.

ASSISTANT: May I know your airline preference?

USER: I prefer either low cost or normal cost airlines.

ASSISTANT: Ok, please be on hold.

USER: Ok, sure.

ASSISTANT: Spirit airlines is providing you a flight with a ticket fare 200 which departs at 12:00 PM and return at 18:00 PM, shall I proceed with booking?

USER: Ok, please proceed by booking.

ASSISTANT: Your ticket is confirmed with the flight-1004 in economy class.

USER: Thanks for the great service.

ASSISTANT: Welcome, have a safe journey.