Hi.
user
Hello. How may I aid you?
assistant
Can you  please help me with booking flight ticket from DEN to BOS?
user
May I know your trip dates?
assistant
My trip dates are May 03 to May 05.
user
Do you prefer a direct or connecting flight?
assistant
I need a direct flight.
user
Do you have any other requirements to be met?
assistant
No, I don't have any other specifications.
user
Can I have your name please?
assistant
My name is Robert Martinez.
user
Sorry to inform you that unfortunately there is no flights available by the given details.
assistant
That's fine, thank you for the information.
user
Thank you.
assistant