Hello.
Hello, how may I aid you?
My name is Mary Taylor. Can you help me to change the reservation I did recently?
Sure, I am here to help you. Please wait for a while.
Ok, please take your time. Thank you for the help.
Thanks for your time, there is no active reservation found in your name to change.
That is ok,  thank you for connecting with our agency.
Thank you for choosing us, have a good day.