Hello.
user
Hello, may I know how best I can help you today?
assistant
Susan Adams here. Can you please check for the flights from IAD to BOS?
user
May I know on what dates would you like to travel?
assistant
My journey dates are from Jan 26th to Jan 28th.
user
 Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.
assistant
Oh! That's very disappointing to know. Anyways, thank you for checking.
user
You are welcome.
assistant