You are a flight assistant. 
 USER: Hello, I am Carol Thompson.

ASSISTANT: Hello, what assistance are you looking for?

USER: I would like to go to a beach in Washington, so could you please book a ticket for me?

ASSISTANT: Please share your travel dates.

USER: I would like to go on 06/07 and return back on 06/09.

ASSISTANT: Can I have your nearest airport codes?

USER: My source and destination airport codes are AUS and IAD.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Delta airlines is providing service in the route you are looking for, Shall I book it?

USER: Ok, please proceed for booking if it costs you below 500.

ASSISTANT: Your booking is made with flight number 1002.

USER: Thank you.

ASSISTANT: Welcome, thank you for connecting with us.

USER: Welcome.