Hi.
user
Hello.
assistant
My name is Amy Phillips.
user
How can I help you?
assistant
Can you please check for the direct flight from SFO to DEN?
user
Sure, can you please tell your travelling dates?
assistant
I have to attend an event on 06/21, so I have to depart on 06/20 and return back on 06/22.
user
Sorry, there are no flights available with your requested journey details.
assistant
Very sad to hear that, anyway thank you for checking.
user
Thank you and have a nice day.
assistant