Hi.
user
Hello. How can I aid you today?
assistant
I am Brian Hernandez want to attend a business meeting, can you help me to book a direct flight?
user
Sure, may I know your travelling dates?
assistant
Sure, I want to travel on 07/18 and intend to return back on 07/20.
user
Ok, can you provide me your exact airport codes?
assistant
Yes, I want to fly from IAD to DFW.
user
Sorry no flight's available based on your connection limit.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant