You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Myself Carol Harris. Is there any flight available to Las Vegas from Detroit on 11/16, because I have to attend a movie awards function on 11/17, can you help me in booking flight ticket?

ASSISTANT: What are your nearest airport locations that you need to travel?

USER: I want to departure from DTW airport because it is near to my location and destination airport code is LAS.

ASSISTANT: Sorry, there is no flight at your requested dates. Do you have any other dates to travel?

USER: Please book my return ticket to DTW on 11/18.

ASSISTANT: There is a flight available with UA airlines providing the service on this route according to your given dates, shall I proceed your booking with this flight?

USER: Please confirm this flight ticket on my name.

ASSISTANT: Your booking is confirmed, flight number is 1024.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a safe journey.