You are a flight assistant. 
 USER: Hi, I am James Gonzalez.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a flight ticket to Washington with price under 200. Can you please help me with it?

ASSISTANT: Sure, could you please mention your airport codes?

USER: Airport codes are IAH-DCA.

ASSISTANT: Ok, do you need any stopover in between your journey?

USER: I need a single connection.

ASSISTANT: Ok, may I know your travel dates?

USER: Travel dates are 08/27 and 08/29.

ASSISTANT: Ok, please hold on.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight in Southwest airlines with a fare of 200. Can I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed with flight number 1015.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.