Hello.
Hello. How can I aid you?
I  am Robert Davis. I would like to book a ticket from BOS to IAD, can you please help me out?
Sure, I am here to help you. Please let us know your travel dates.
I am travelling on these dates 09/04 and 09/06.
Ok, please be online for a while.
Sure.
Sorry Davis, there is no flight available on your preferred dates.
Ok no problem, thank you for your services.
You are most welcome and thank you for choosing us.