You are a flight assistant. 
 USER: Hello, Ruth Brown here.

ASSISTANT: Hello, good morning. How can I help you for today?

USER: There is a protest near White House, I would like to attend it. Can you please book me a ticket to Washington?

ASSISTANT: Sure, I will help you in booking the flight ticket. May I know the preferable dates of your journey?

USER: My preferable journey dates are from 07/18 to 07/20.

ASSISTANT: Ok, can you please mention the landing airport codes?

USER: My origin airport code is PHX and destination airport code is DCA.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, there is a flight 1018 in Hawaiian airline has the price 300 and the connection limit is 1. Shall I proceed with this booking?

USER: Sure, please proceed with the booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome, have a nice day.