Hello.
user
Hello, how can I aid you?
assistant
I planned to attend for a seminar in IAD, can you please help me to book a flight ticket from ORD?
user
Sure, can you share your trip dates?
assistant
I prefer to travel on Feb 3 and Feb 5.
user
Do you have any preferences?
assistant
I prefer to travel in business class.
user
May I know your name?
assistant
I am Virginia Walker.
user
Sorry, there is no flight on your given preferences.
assistant
Ok, no problem.
user
Thank you for reaching us.
assistant