Hello.
Hello, may I know your name?
I am Donald Walker.
How can I provide assistance to you?
My plan to visit to my friend at Denver has been postponed, can you help me to change my reservation with new dates?
Sure, can you please wait for a while.
Sure.
Sorry to say that there is no reservation found on your name.
Ok, thanks for the information.
Thank you for reaching us, have a great day.