Hello, I am Janet Carter.
user
Hello, how can I help you?
assistant
I want to book a ticket for round trip to New York, NY -  JFK from NY - LGA.
user
Sure, may I know your travelling dates?
assistant
And my travel dates are 12/22 to 12/24.
user
Please wait a moment. I will check and get back to you.
assistant
Ok.
user
Thanks for waiting, no flight was found with your details.
assistant
Ok, not an issue.
user
Thank you, for choosing us. Have a nice day.
assistant