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