You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: John Gonzalez here. I need to attend a workshop at Washington, can you please help me in booking a flight ticket from ORD to IAD?

ASSISTANT: Your travelling dates please?

USER: Sure, my trip dates are from 11/16 to 11/18.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1013 flight?

USER: Ok, you can proceed.

ASSISTANT: Your booing is done in AA airlines.

USER: Thank you for helping me in booking.

ASSISTANT: Thank you for choosing us.