Hello.
user
Hello, how may I help you?
assistant
I am Carolyn Campbell. I would like to book a flight ticket from LAS to JFK.
user
Sure, may I know your travelling dates?
assistant
Sure, my travelling dates are 04/21 and 04/23.
user
Thanks for the information. There is no flight available on your requirement.
assistant
No worries, thank you for the information.
user
Thank you.
assistant