Hi,.
Hello, how may I  assist you?
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?
Sure, may I know your travelling dates?
My trip dates are 06/15 - 06/17.
Thank you for sharing your details.
Ok.
There is no flight found matching your requirements.
Not an issue.
May I know your good name?
Thank you. Deborah Campbell is my name.
Thank you.