Hi,.
user
Hello.
assistant
I am Katherine Smith.
user
How may I assist you?
assistant
Please book a ticket from Denver, CO-DEN to New York, NY-LGA.
user
Sure, please mention your travelling dates to get a flight for you.
assistant
Departure date is 06/22 and 06/24 is return date.
user
Sorry to inform you, there is no flight on your route.
assistant
Thanks for the help.
user
Welcome.
assistant