Hi.
user
Hello, how may I guide you?
assistant
Jason Thomas here. Can you book me a ticket from IAD to JFK?
user
Ok, can I know your preferable dates?
assistant
Ok. I would like to travel on 03/21 and 03/23.
user
I am sorry, there are no available flights.
assistant
No issues, thank you for your time.
user
Thank you, have a good day.
assistant