Hello. I am Patrick Roberts.
Hello, how can I serve you today?
I need to attend a science museum festival at Seattle, can you help me to book a  flight ticket from BOS to SEA?
Sure, let me know your travelling dates?
I am travelling from July 6 to July 8.
Do you need any other specifications to be met?
Yes, I need a business class ticket.
Thanks for your details, there is no flight found on your desired locations.
No problem, thank you for the information.
Thank you for reaching us.