Hello.
Hello, How can I best serve you today?
Can you help me to book a flight ticket from OAK to ORD?
Sure, can you please mention your depart and arrival dates of your journey?
My travel dates are Sept, 10 and Sept, 12.
Do you like to go with a connecting or direct flight?
I need connecting flight.
May I know if you prefer to have any other comforts in your journey?
I prefer to travel in economy class.
Can I know your good name to proceed further?
Robert Scott here.
  Here, I found a flight for you with 1 stopover in economy class and it costs you 100. Can I proceed?
Please proceed.
Your booking is confirmed and the flight number is 1018.
Thank you.
Thank you for choosing us.