Hello.
user
Hello. How can I aid you?
assistant
I am Ashley Gonzalez. I am planning to attend for Cultural program in Chicago, so please book a connecting flight for me.
user
Sure. Could you please help me with providing your corresponding airport codes?
assistant
My source and destination airport codes are DC - IAD, IL - ORD.
user
Can you please let me know your travelling dates?
assistant
I would like to fly on 08/26, return on 08/28.
user
Give me a  minute.
assistant
Sure.
user
Thanks for your time. Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant