Hello.
user
Hello. How can I help you?
assistant
Can you help me to book a flight ticket from IAD to DCA?
user
Can I know your travelling dates?
assistant
My travel dates are Aug, 7 and Aug, 9.
user
Do you have any specification?
assistant
I need connecting flight.
user
Can I know your name?
assistant
John Johnson here.
user
Sorry, there is no flight with your travelling dates.
assistant
Not a problem, thank you for the information.
user
Thank you.
assistant