You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am George Gonzalez want to attend a workshop at Washington, can you book a ticket on 06/16 and 06/18?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your airport codes please?

USER: Ok, I want to travel from IAH to IAD.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with 1 connection, can I proceed with this flight?

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for your services.