Hello.
user
Hello, how can I aid you?
assistant
I am Robert Brown. I want to book a flight ticket to attend Chicago International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Can you please book a ticket?
user
Sure, we are glad to help you. May I know your airport abbreviations?
assistant
I will depart from CA-SFO to IL-ORD.
user
Ok, what are your planned dates?
assistant
 My travel dates are 02/04 and 02/06.
user
Ok, is there any preference on connection limit?
assistant
 I need a connecting flight.
user
Sorry Robert, there is no flight available on your dates.
assistant
Ok, thank you for your response.
user
Thank you for choosing us.
assistant