Hi, my name is Jeffrey Gonzalez.
user
Hello, How may I help you?
assistant
I am planning to spend my  holidays in Boston MA - BOS with my college friends to enjoy autumn season in the month of September. Can you make a reservation?
user
Sure, please provide travel dates to book a flight.
assistant
Sure my arrival day is on 09/26 and departure is on 09/24.
user
May I know your origin?
assistant
And my source airport code is from Denver CO - DEN.
user
Ok. Thanks for sharing your details. Unfortunately, no flights available.
assistant
Ok, no issues. Thanks for your assistance.
user
Thanks for approaching us, Have a great day.
assistant