Hello.
user
Hello, how may I help you?
assistant
I am looking to book a flight ticket from DCA to ORD. Can you help me for that?
user
Sure, can I know your travelling dates?
assistant
My travelling dates are Sep 14 and Sep 16.
user
 On which name shall I reserve flight ticket?
assistant
My name is Dennis Hernandez.
user
Do you need any specifications?
assistant
I prefer to book a direct flight in my journey.
user
Sorry, there are no flights found on given dates.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant