Hello, Kathleen Nelson here.
user
Hello. How can I help you?
assistant
I want to travel from IAD to ORD. Will you please help me in booking my ticket?
user
Sure, can you please give me your planning dates?
assistant
My planned dates are from 05/18 to 05/20.
user
Sure, give me a minute.
assistant
Sure.
user
Sorry to say that there is no reservation found.
assistant
It's ok, thank you for your service.
user
Thank you for contacting us.
assistant