Hello. I am Michael King.
user
Hello, how may I help you?
assistant
I planned to meet a client in IAD, can you please help me to book a flight ticket from BOS?
user
Sure, may I know your travelling dates?
assistant
I prefer to travel on 12/04 and 12/06.
user
Sorry, there is no flight available as per your request.
assistant
Ok, no problem. Thank you for your time.
user
My pleasure.
assistant