Hello.
user
Hello!tell me how may I assist you?
assistant
I am Patrick Campbell. I would like to travel from IL-ORD to MA-BOS. Will you please help to get a flight ticket?
user
OK,can you please tell me your travelling dates?
assistant
My preferable dates are 05/11 and 05/13.
user
Can you please tell me your preferable connection limit & price of your ticket?
assistant
My preferable price limit is 500 with single connection only.
user
Sorry, to say there are no flights available on your requirements. Thank you.
assistant
OK, no problem. Thank you for your service.
user