You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned to visit historical places at Washington. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: Sure, my travelling dates are May 10 and May 12.

ASSISTANT: Ok, may I know your respective airport codes of journey please?

USER: Sure, my source airport code is LAS and destination airport code is DCA.

ASSISTANT: May I know your name please?

USER: I am Jessica Perez.

ASSISTANT: Do you have any other requirements please?

USER: No, I do not have any other requirements.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I found a connecting flight of fare 100 with the UA airline, shall I proceed with this booking?

USER: You can proceed with booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1014.

USER: Thank you for your assistance.

ASSISTANT: You are welcome, have a safe journey.