Hi. I am Helen Green.
user
Hello, How best can I serve you today?
assistant
 I would like to enjoy this weekend at Korean war veterans memorial which is at Washington DC-IAD. Can you help me to book a connecting flight?
user
Sure, I will help you with that.
assistant
Thank you.
user
Can you help me with the origin airport?
assistant
My origin is from Boston, MA - BOS.
user
What are your preferable travel dates?
assistant
I want to fly on 02/21 and recur on 02/23.
user
Ok, please wait.
assistant
Sure.
user
Thanks for waiting. We regret that, There is no flight found in search to your route on your dates of journey.
assistant
Ok, no issues. Thanks for your help.
user
Thanks for reaching us.
assistant