Hello.
user
Hello, how can I assist you now?
assistant
I would like to attend a meeting at Las Vegas, please help me in booking a ticket from DEN to LAS.
user
Sure, I am happy to help you with that. Can I have your travel dates  please?
assistant
My planned travel dates are on July 4 and July 6.
user
Ok, please let me know the timings of your journey.
assistant
I am comfortable with any timings.
user
Do you prefer any specific airlines  to travel?
assistant
No, thank you for asking.
user
Do you have any other specifications?
assistant
I prefer a connecting flight.
user
Can I have your good name please to proceed further?
assistant
Myself Jeffrey Lee.
user
Sorry to inform you that no flight is available to you on your planned dates.
assistant
Ok, no issues. Thank you for your information.
user
Thank you for choosing us, have a good day.
assistant