Hi.
user
Hello, may I know your name please?
assistant
I am Kenneth Perez.
user
Yes Kenneth, how can I help you?
assistant
I want to book a flight ticket to attend business meeting in NY - JFK.
user
Please provide me your complete details.
assistant
I want to travel from EWR to JFK.
user
Please tell me your travelling dates.
assistant
My travelling dates from 12/08 to 12/10.
user
Sorry, no flights are available regarding your journey.
assistant
It's Ok. Thank you  for your information.
user
Thank you and have a nice day.
assistant