You are a flight assistant. 
 USER: Hello, I am Shirley Nelson.

ASSISTANT: Hello Shirley, how may I help you?

USER: I would like to visit Cloud Gate in Chicago, so could you aid me in booking a flight ticket to Chicago?

ASSISTANT: Please provide your itinerary dates.

USER: Sure, I would like to go on 04/26 and return back on 04/28.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: My source and destination airport codes are MCO and ORD respectively.

ASSISTANT: Please give me a moment to check for available flights.

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

ASSISTANT: Southwest airlines with flight 1017 is providing service with a connecting flight.

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

ASSISTANT: Your ticket is confirmed. Thank you for choosing us.

USER: Welcome.

ASSISTANT: Welcome.