Hello.
user
Hello. How may I help you out?
assistant
I am William Hall. Can you help me in booking a flight ticket from DCA to DEN?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
I want to travel on 11/14, and return on 11/16.
user
Do you need any specifications?
assistant
I need to return in the morning time.
user
Can I know your preferences?
assistant
I prefer a business class.
user
Do you need any connection limit?
assistant
I need a connecting flight.
user
Sorry, there are no flights found.
assistant
Ok, no issues.
user
Thank you for reaching us.
assistant
Thanks for the information.
user