Hello.
Hello, how may I help you?
I am Robert Lee, want to travel from SFO to BOS. Can you please help me?
Sure, may I know your travelling dates?
My travel dates are from 06/04 to 06/06.
Please wait for a while.
Sure.
Sorry, we regret to inform you that there is no flight available as per your request.
That's fine, thank you.
Most welcome.