Hi.
 Hello, how may I oblige you today?
Can you please book a flight ticket from SFO to PHL?
Sure, can you please share your journey dates that you prefer to travel?
My travelling dates are Nov 21 and Nov 23.
Do you require any stopovers in your journey?
Yes, I need a connecting flight.
May I know your departure time and arrival time?
I am comfortable to travel at any time.
Do you have any other requirements?
I want a ticket in business class.
May I know your name?
     My name is Mary Lee.
Sorry to inform you that unfortunately there is no flights available by the given details.
That's ok, thank you for the response.
Thank you.