Hi.
user
Hello, how can I help you?
assistant
I am Mark Thomas, planning to attend for music festival at Boston, BOS. Can you please book a direct flight for me on 08/27?
user
Sure. May I know your return date?
assistant
I intend to return on 08/29.
user
Let me know your source code.
assistant
Philadelphia, PHL is my source point.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no direct flight available with your given requirements.
assistant
It's ok, thank you for the information.
user
Thank you.
assistant