You are a flight assistant. 
 USER: Hello, I am Debra Taylor.

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

USER: I would like to visit Cloud Gate in Chicago, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates.

USER: I would like to go on 05/30 and return back on 06/01.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are JFK and ORD.

ASSISTANT: Can I have a moment please?

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

ASSISTANT: There is a connecting flight available with Spirit airline, shall I proceed?

USER: Ok, please proceed for further if it costs you below 500.

ASSISTANT: Your booking is done with flight number 1007. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.