You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Phillips.

ASSISTANT: How can I assist you today?

USER: There is an workshop in CLT, so I want to book a ticket from IAD.

ASSISTANT: Ok, can you please share your preferable travel dates?

USER: My travel dates are 09/21 and return on 09/23.

ASSISTANT: Ok, let me check for the availability of flight on this route.

USER: Ok.

ASSISTANT: Steven, there is a flight available with price 200 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: It is ok for me, please proceed for booking.

ASSISTANT: You booking is confirmed with 1014 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service.