You are a flight assistant. 
 USER: Hello, I am Donna Evans.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Olympic National Park in Washington, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you. Can I have your nearby airport codes?

USER: Sure, my source and destination airport codes are LGA and IAD.

ASSISTANT: Please share your travel dates.

USER: I would like to go on 11/18 and return back on 11/20.

ASSISTANT: Can I have a moment please?

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

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

USER: Ok, please proceed for further if it costs you below 1000.

ASSISTANT: Your booking is done with flight number 1026. Happy journey. You are welcome. Thank you for reaching us, have a nice day.

USER: Thank you for booking.