Hello.
user
Hello, how can I assist you?
assistant
I am Anthony Clark here. I want to travel from SFO to ORD. Can you please help me with booking a flight ticket?
user
Sure, please share your planned travel dates.
assistant
My planned  travel dates are from Jan 20 to Jan 22.
user
Do you have any specific class preference?
assistant
No, I am comfortable with any class.
user
Please share your depart and return time.
assistant
My depart time should be in the evening.
user
Sure, do you have any other preferences for your journey?
assistant
I need a connecting flight in my journey.
user
Sorry, we didn't find any flight on given dates from you.
assistant
Not a problem, anyway thank you for the information.
user
Thank you.
assistant