Hello.
user
Hello. How can I help you?
assistant
I am Ryan Collins. I am planning to visit Atlanta to meet my father, can you please help me in booking a flight ticket from IAD to ATL?
user
Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?
assistant
My travelling dates are Nov 27 and Nov 29.
user
Please give me a moment.
assistant
My departure time is afternoon.
user
Sorry, no flights are available on your route.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant