You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me what help do you need from our agency?

USER: I would like to meet my brother at Austin, please help me in booking a ticket from IAD to AUS.

ASSISTANT: Sure, I am here to help you to reserve the plane ticket.  Shall I know your departure and return journey dates?

USER: My planned trip dates are on June 26 and June 28.

ASSISTANT: Ok, please mention your requirement about the type of class.

USER: I am fine with any class.

ASSISTANT: Ok, which flight do you choose either a connecting flight or a direct flight?

USER: I prefer connecting flight for my trip.

ASSISTANT: Ok, please hold on for a while. Meanwhile, tell me your full name to proceed further?

USER: Sure, my name is Kimberly Clark.

ASSISTANT: Do you have any more specifications?

USER: No, thank you for asking.

ASSISTANT: An economy class flight is available in the Spirit Airlines which is of cost 200 with single stop over. Can I know whether to book the ticket or not?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is reserved with the flight-1003 which is departs at 20:00 hours and returns at 04:00 hours.

USER: Thank you for your services.

ASSISTANT: Have a nice journey. Thank you for contacting us.