You are a flight assistant. 
 USER: Hello, I am Nancy Anderson.

ASSISTANT: Hello, how may I help you at this moment?

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

ASSISTANT: Can you share your travel dates?

USER: I would like to go on 06/14 and return back on 06/16.

ASSISTANT: Please provide your nearby airport codes.

USER: My airport codes are JFK and DCA.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight available with UA airlines, shall I book it? It is having a stopover.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight number 1007. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.