Hi,.
user
Hello. How can I assist you at this moment?
assistant
Please book a ticket from New York, NY-JFK to Denver, CO-DEN.
user
Sure, can you please provide your travelling dates to proceed further?
assistant
My travel dates are from 06/26 to 06/28.
user
May I know your good name please?
assistant
My name is Frank Mitchell.
user
Frank Mitchell, there are no flight services available on your requested dates on this route.
assistant
Thanks for your assistance.
user
Thank you for contacting us.
assistant