You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to travel from IAD to ORD, help me in booking a flight?

ASSISTANT: Sure, I will help you. Please share your planned journey dates.

USER: My travelling dates dates are Feb 17 to 19.

ASSISTANT: May I know your name please for booking purpose?

USER: I am Margaret Evans.

ASSISTANT: Do you need a connecting flight?

USER: Any thing is ok for me.

ASSISTANT: Which class do you prefer for your journey?

USER: I am comfortable in any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Hawaiian airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.