Hi.
user
Hello. How can I help you?
assistant
I am Joseph Young want to visit Boston, can you help me to book a direct flight?
user
Yes, I can help you. Can you share me your travelling dates?
assistant
Sure, my travelling dates will be 11/18 and 11/20.
user
Ok, can you tell me your nearest airport codes?
assistant
Yes, I want to fly from PHL to BOS.
user
Give me a moment.
assistant
Ok.
user
Sorry to inform you that there are no flights found on your dates.
assistant
That's ok, thank you.
user
Thank you for contacting us.
assistant