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

ASSISTANT: Hello, how can I guide you for today?

USER: I planned to attend for a meeting in CLT, can you please help me to book a flight ticket from DTW?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I prefer to travel on Jul 23 and Jul 25.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: There is a flight with ticket fare 100 in Spirit airlines with a stopover. Is it ok for you?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is confirmed with flight number 100 in business class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us and your flight number is 1003.