You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Will you help me to book a flight ticket from AUS to IAD?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: Feb, 10 and Feb, 12 are my journey dates.

ASSISTANT: Can I have your name please for booking purpose?

USER: Steven Lewis here.

ASSISTANT: Are you looking for a connecting flight?

USER: I am looking for connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would prefer to travel in normal cost airlines.

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

USER: Yes, please book.

ASSISTANT: Ok, your booking is confirmed with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.