You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for the day?

USER: I am Christine Clark, I want a flight ticket to Washington Dc to visit White House. Can you help me to book a flight under price of 500?

ASSISTANT: Sure, Christine Clark, we will help you. When you want to start your journey?

USER: I will fly on 02/07 and return on  02/09.

ASSISTANT: Ok, please mention your airport codes.

USER: My source airport code is AZ-PHX  and destination airport code is DC-DCA.

ASSISTANT: Ok, thanks for sharing your information. Please wait for a minute.

USER: Sure.

ASSISTANT: As per your information, we found a flight with a halt in JetBlue airlines with a fare of 100.

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket has been reserved with flight number of 1002.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.