Hello.
user
Hello, how may I aid you?
assistant
Can you aid me to book my ticket from IAD to ORD?
user
Sure, I will help you. Please let me know your name.
assistant
Margaret Wright here.
user
Thank you. Please let me know your travel dates.
assistant
My trip dates are July 15 and Jul 17 respectively.
user
Noted. Please wait for a while, let me check.
assistant
Ok.
user
Sorry, there is no flight available on your preferred travel dates.
assistant
Thank you for the help.
user
You are most welcome.
assistant