Hello.
user
Hello, how can I help you today?
assistant
I have a business meeting in Las Vegas. Can you help me for booking a flight ticket from DTW  to LAS?
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
My travelling dates are Jan 12 and Jan 14.
user
let me know your connection limit.
assistant
I need a single connecting flight.
user
May I know your class preference?
assistant
I prefer to book a business class.
user
Do you have any specification?
assistant
My return time is evening.
user
Sorry, no flights are available on your preferable travel dates.
assistant
That's ok, thank you for checking.
user
Ok, may I know your name?
assistant
My name is Melissa Clark.
user
Thank you for reaching us, have a nice day.
assistant