Hello.
user
Hello. How may I help you today?
assistant
Can you please book a ticket from DTW to IAD to go for shopping?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
My travelling dates are July 19 and July 21.
user
Do you have any other requirements?
assistant
I prefer business class.
user
Ok, may I know your name?
assistant
Sure, I am Joshua Evans.
user
Ok, wait for a minute.
assistant
Ok.
user
Sorry to say that, there are no flight's available based on your travelling dates.
assistant
Ok, Thank you.
user
Thank you for approaching us.
assistant