Hello.
user
Hello. How exactly I can serve you the best today?
assistant
Can you help me booking a flight ticket from IAD to DCA?
user
Sure, we are happy to assist you in booking.
assistant
Thank you.
user
Can I know your name please?
assistant
I am Larry Hernandez.
user
May I know your planned travelling dates to proceed further?
assistant
I will start on 04/18 and return on 04/20.
user
Would you like to travel in a connecting flight or a direct flight?
assistant
I need a break in my journey.
user
Is there any other preferences that you would like to add before booking?
assistant
No.
user
Ok, please wait a moment I'll search best flight for you.
assistant
Sure.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
No problem, thank you for the information.
user
Thank you for approaching us.
assistant