Hi.
Hello. How can I help you?
William Gonzalez here. I need  a flight from BOS to DFW, can you please help me in booking?
Sure, I will help you. Can you please provide me your travelling dates?
My travel dates are from 02/04 till 02/06.
Ok, give me a moment.
It's ok, thank you for checking.
Sorry, there is no flight is available for you.