Hello.
user
Hello. How can I help you?
assistant
I am planing to visit Chicago, so could you please help me to  book a flight ticket from PHL to ORD?
user
Sure, I can help you with that. Please provide the travelling dates?
assistant
My  departure date is 12/04 and my return date is 12/06. Make sure  that connections should be 0.
user
Sorry, there is no flight with 0 connection. May I know your name please?
assistant
I am Richard Evans. Thank you.
user
Thank you for contacting us.Have a nice day.
assistant