Hello. I am Steven Harris.
user
Hello. How may I help you?
assistant
I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from LAS to DEN?
user
May I know your travel dates?
assistant
I would like to take off on 06/17 and return on 06/19.
user
Sorry, there is no flight found with your requirements.
assistant
That's ok, no issues. Anyways, thank you for the information.
user
Most welcome.
assistant