You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Carol Williams from Washington. I want to go to Austin in this week for attending a summit there, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: I want to take off on 06/18 and confirm my return ticket also on 06/20.

ASSISTANT: Ok, may I know your nearest genesis and destination airport codes for booking?

USER: I would like to fly from IAD and destination airport is AUS.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Hawaiian airlines. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1012.

USER: Thank you for your help in booking flight ticket.

ASSISTANT: Thank you for approaching us, have a great journey.