Hello.
user
Hello. In what way shall I assist you now?
assistant
I was invented as a guest to a college festival at Denver CO-DEN, can you help me in booking my flight ticket from Boston BOS.
user
Please help me with your name.
assistant
I am Paul Garcia.
user
On what dates you book a ticket  to travel?
assistant
My trip dates are 08/19 and 08/21.
user
Wait a minute.
assistant
Sure.
user
Unfortunately, there were no flight in your route.
assistant
No problem.
user
Thank you for connecting us.
assistant
Thank you.
user