Hello.
user
Hello, how can I help you?
assistant
Can you help me to book a flight ticket from IAD to DCA?
user
Sure, can you share your trip dates?
assistant
My travelling dates are 24 to 26 of Nov.
user
Do you have any preferences?
assistant
I need a connecting flight.
user
May I know your name?
assistant
I am Christopher Williams.
user
Sorry, there is no flight on your given dates.
assistant
It's ok, not a problem, thank you.
user
Thank you for choosing us.
assistant