Hello.
user
Hello, how may I aid 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 PHL to DEN?
user
Sure, may I know your trip dates?
assistant
I would like to depart on Apr 7th and return on Apr 9th.
user
Do you prefer a direct or connecting flight?
assistant
I would be comfortable with single stopover.
user
Do you have any specifications?
assistant
I have no other specifications.
user
May I know your name?
assistant
I am Jack Adams.
user
Sorry Jack Adams, no flights are available on your route.
assistant
Ok, not an issue. Anyways, thank you for the information.
user
Thank you for choosing us.
assistant