Hello.
user
Hello. How may I assist you today?
assistant
I want to book a flight ticket from MCO to DCA. Could you help me in booking?
user
May I know your travelling dates?
assistant
My travelling dates are from Sep 24 - 26.
user
On which name shall I proceed with the reservation?
assistant
Dennis Allen here.
user
Do you need any specifications?
assistant
I prefer for for direct flight.
user
Sorry, there are no flight services available  on your route due to heavy volcano in your travelling place.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching our service.
assistant