Hi.
user
Hello. How may I aid you?
assistant
 I am Ashley Green want to visit DEN, can you book a ticket from JFK?
user
Please provide your itinerary dates.
assistant
Sure, my travelling dates will be 03/20 and 03/22.
user
Please hold on for a while.
assistant
Ok.
user
Green, no flight is available on your route.
assistant
That's ok, thank you.
user
Thank you for contacting us.
assistant