Hello.
Hello, how may I assist you today?
I want to change my existing reservation due to sudden change in my family trip dates, Can  you help me out?
Sure, may I know your name?
I am Cynthia Adams.
Ok, we found reservation on your name. Please help me with your travelling dates?
My travelling dates are Mar 10 and Mar 12.
May I know your airport codes?
My airport codes are MSP to LAS.
Do you have any specifications?
I need a connecting flight.
American airlines flight- 1014 of price 100 with direct flight in economy class matches your given details, shall I proceed?
Please proceed.
Ok, your flight ticket has been booked.
Thank you.
Thank you for reaching us.