Hello.
Hello, how may I serve you?
I am looking for a flight from BOS to ORD, can you help me in booking?
Sure, I will help you. Please send your travelling dates.
Sure, my planned travel dates are June 23 and June 25.
Do you have any class or time preferences?
I need a flight in a business class.
May I know your name?
Myself David Adams.
Sorry, there is  no  flight available with your requirements.
That's ok, no problem. Thank you for the information.
You are welcome, have a nice day.