Hello.
Hello. How may I assist you today?
Can you help me to book a flight ticket from SFO to CLT?
Sure, we are happy to assist you in booking. Would you like to travel in a connecting flight or a direct flight?
Thank you. I prefer connecting flight.
Help me with your journey dates, so that it will be easier to move further in booking.
My travel dates are Aug 23 and Aug 25.
May I know your name please?
I am Helen Thomas.
 Is there any other requirements for this trip to met with, so that I can find a suitable flight for your journey?
I prefer economy class flight ticket.
Ok, please wait a moment I'll search best flight for you.
Sure.
Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
No problem, thank you for the information.
Thank you for approaching us.