Hello,.
user
Hello, how can I help you?
assistant
I am Carol Campbell.
user
Ok.
assistant
 I want to enter into Marketing business field, So I want to attend Marketing and Business Development Conference at Chicago, ORD.
user
Sure, may I know your travelling dates?
assistant
Willing dates of my travel are 08/11 - 08/13.
user
May I know your source code?
assistant
My source code is New York, LGA.
user
Sorry, no flights found on your requested dates.
assistant
Ok, I will choose other airline.
user
Thank you for approaching us.
assistant
Thank you for quick response.
user