Hi,.
user
Hello, how may I  assist you?
assistant
I would like to attend and celebrate my Mother's birthday in New York, NY - JFK. Can you book a flight ticket from Denver, CO - DEN?
user
Sure, may I know your travelling dates?
assistant
My trip dates are 06/15 - 06/17.
user
Thank you for sharing your details.
assistant
Ok.
user
There is no flight found matching your requirements.
assistant
Not an issue.
user
May I know your good name?
assistant
Thank you. Deborah Campbell is my name.
user
Thank you.
assistant