Hi.
user
Hello. How may I help you?
assistant
I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Philadelphia, PHL. So, please book me a flight ticket from Chicago, ORD.
user
Sure. When would you like me to book a ticket?
assistant
My preferable dates are 07/25 and 07/27.
user
May I know your good name?
assistant
Yes, I am Nicole Lopez.
user
Thanks for sharing the details, wait a while.
assistant
Ok.
user
Thank you for your time. There are no flights found on your dates.
assistant
No issue, thank you.
user
Thank you for availing us.
assistant