Hello.
Hello, how may I aid you today?
I want to change my existing reservation due to prepone of my exams. Can you help me in that?
Sure, I am here to help you out. Please provide me your name to check the reservation status.
Myself Gary Roberts.
Happy to inform you that, I found an active reservation on your name in our database. Kindly mention me your travel dates which you have planned.
My trip dates are Jan 08 to Jan 10.
 Gary Roberts, can you provide me your location airport codes?
My preferred airport codes are MSP to LAS.
Is there any specifications to met?
I would like to fly in connecting flight.
Sorry Gary Roberts, there is no flight as per your requirement.
Ok, no problem. Thank you.
 Gary Roberts, thank you for reaching us.