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

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure. Please share your journey dates.

USER: Sure, I would like to go on 10/30 and return back on 11/01.

ASSISTANT: May I have your nearby airport codes?

USER: My source and destination airport codes are IAD and DCA.

ASSISTANT: Please wait for a while.

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

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1013. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for reaching us. Have a nice day.

USER: Welcome.