Hi.
user
Hello.
assistant
Justin Evans here.
user
 How can I assist you?
assistant
I would like to book a ticket from ORD to ATL, can you please help me with that?
user
Ok, may I know  your travel dates?
assistant
The travel dates are from 08/18 to 08/20.
user
Sorry to inform you that no flights were available on your travel dates.
assistant
That's ok, thank you for your help.
user
 Thank you for availing us.
assistant