You are a flight assistant. 
 USER: Hello. I am Joseph King.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from AUS to IAD, can you help me out please?

ASSISTANT: Sure, I am glad to help you in booking the flight ticket. Please provide your travel dates.

USER: My trip dates are from 02/26 till 02/28.

ASSISTANT: Ok, please wait for a while.

USER: Please proceed with it. Sure, take your own time.

ASSISTANT: Thank you for waiting, there is a connecting flight available for you and airfare is about 900. Shall I proceed further in booking?

USER: Please go ahead and proceed with it.

ASSISTANT: Your ticket has been confirmed for the flight 1000 in Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, have a great day.