Hi.
user
Hello, how may I aid you?
assistant
I want to go to Washington IAD for business meeting. So, please book my ticket from BOS.
user
Sure, could you please provide your travelling dates?
assistant
My travelling dates are from 05/16 to 05/18.
user
Ok, please wait a moment I will check for available services and let you know.
assistant
Sure.
user
Sorry to say, no flights were found on your requested dates.
assistant
It's ok. Anyway, thank you for your time.
user
Thank you for choosing us, have a nice day.
assistant