Hi.
user
Hello, how can I aid you?
assistant
I am searching a flight from Philadelphia to Chicago to attend my friend marriage. Can you help me in this?
user
Sure, provide me your travelling dates?
assistant
Ok, my travelling dates are 05/26 is my start date and 05/28 is my return date.
user
 Help me with your travel points?
assistant
Sure, Philadelphia, PA - PHL is my source airport code and Chicago, IL - ORD is my destination airport code.
user
Ok, please wait I will revert you. Sorry to say that no flights are available on your travel dates.
assistant
Ok, no problem. Thank you for your kind response.
user
 May I know your good name?
assistant
Melissa Lopez is my name.
user
 Thank you for availing us.
assistant