You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know how best I can I help you today?

USER: I want to book a flight ticket to IAD to attend for a conference. Can you please aid me for booking from ATL?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: Please let me know if your need a connecting flight in between your journey.

USER: Yes, I need a connected flight.

ASSISTANT: Could you please share your departure and arrival dates to proceed further?

USER: My trip dates are on Dec 03 and 05.

ASSISTANT: Is there any other requirements for this trip to met with, so that I can find a suitable flight for your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Anna Moore here.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: There is a Spirit airline with flight number 1001 leaving from IAD on Dec 5th with 1 stop over in the midway and the estimate is 100.

USER: Ok, please proceed.

ASSISTANT: Shall I book an economy class ticket?

USER: Sure.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: It's pleasure to serve you. You're welcome.