Hi.
user
Hello,. How may I help you?
assistant
I am Brandon Campbell want to attend a business conference, can you help me to book a direct flight?
user
Please provide your journey dates?
assistant
Sure, my travelling dates will be 08/26 and 08/28.
user
Please let me know airport codes?
assistant
Yes, I want to fly from BOS to DCA.
user
No flight is available for your requirement.
assistant
That's ok, thank you.
user
Thank you.
assistant