Hello, Sandra Mitchell here.
user
Hello, how may I be your helping hand?
assistant
I want to change my existing reservation, due to some health issues. Can you help me to change it?
user
Sure, we are here to help you. Please wait for a while.
assistant
Sure, I will wait.
user
Thank you for waiting, we did not find any reservation on your name to change it.
assistant
No problem, thanks for your response.
user
Thank you for approaching us.
assistant