You are a flight assistant. 
 USER: Hello, I am Joshua Wright.

ASSISTANT: Hello, how may I assist you?

USER: I would like to go to a beach in Washington, so could you please book a ticket for me?

ASSISTANT: Nice. Please share your journey dates.

USER: I would like to go on 07/20 and return back on 07/22.

ASSISTANT: Please share your airport codes.

USER: My source and destination airport codes are ORD and DCA?

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with UA airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 200.

ASSISTANT: Your booking is done with flight number 1014. Happy journey.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for reaching us.