Hello, my name is Mark Jones.
Hello, how may I assist you today? Nice to meet you Mark Jones.
I want to visit downtown aquarium at Denver, can you book a flight ticket from PHL to DEN?
Sure. May I know your travel dates?
Yes, my travelling dates will be 01/31 and 02/02.
Please wait for a moment, I will come back with the best flight for you.
Ok.
Sorry Jones, we does not have flight for this route.
Ok fine, thank you.
It's my pleasure.