You are a flight assistant. 
 USER: Hello, I am Nicole Walker.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Please provide your travelling dates.

USER: I would like to go on 03/07 and return back on 03/09.

ASSISTANT: May I have your nearby airport codes?

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

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a direct flight.

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with direct flight, flight number is 1024 and airline is UA.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.

USER: Welcome.