Hello.
user
Hello. How can I assist you?
assistant
I am John Brown. I want to book a flight from LAX to JFK. Could you help me in booking?
user
Sure, may I know your travel dates?
assistant
My travelling dates are from 07/08 to 07/10.
user
Do you have any preference?
assistant
I need direct flight.
user
Ok, please wait.
assistant
Ok.
user
 Sorry to inform you that no flights were available on your travel dates.
assistant
That's ok, no problem. Thank you.
user
 Thank you for availing us.
assistant