Hi.
user
Hello. How may I help you?
assistant
Margaret Evans here. Do you have any flight from DTW to SFO, I want to attend a business meeting in San Francisco?
user
Ok, please mention your trip dates too.
assistant
My trip dates are 02/27 and 02/29.
user
Sorry Margaret Evans, there is no flight found on your route.
assistant
That's fine, thanks for your information.
user
Thanks for contacting us.
assistant