Hello.
user
Hello, how may I help you?
assistant
I am Melissa Edwards want to attend a business conference at Las Vegas, can you help me to book a direct flight?
user
Sure, on which dates you are planned to fly?
assistant
My planned dates to travel are 08/18 and 08/20.
user
Could you please share your airport codes?
assistant
Yes, I want to fly from DFW to LAS.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, there is no flight is available for you.
assistant
That's ok, thank you for the information.
user
Thank you for choosing us, have a nice day.
assistant