Hello.
user
Hello, how may I aid you today?
assistant
I am Edwards Moore. I want to book a ticket from LAS to IAD to attend seminar, can you help me in booking?
user
Sure, I am here to help you out. Please provide me your trip dates.
assistant
I am departing on 04/28 and return on 04/30.
user
Sorry Edwards Moore, there is no flight with your travel dates.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant