Hello, I am Brandon Anderson.
Hello, how may I be of your helping hand today?
As my manager did not approve my leave, I would like to change my recent reservation. Can you aid me with this?
Sure, we are here to help you.
Thank you.
Please wait for a while.
Sure, take your time.
Sorry we did not find any reservation with your name in our database.
That's ok, thank you for checking.
Thank you  for connecting with us, we hope to serve you again.