Hello, I am Carol Hall.
user
Hello, how may I serve you today?
assistant
Owing to an emergency I want to change my existing reservation, can you please help me with that?
user
Sure, please wait I will get back to you.
assistant
Ok.
user
Thanks for waiting, we have not found any reservation with your name.
assistant
Ok, no issues.
user
Ok, thanks for choosing us.
assistant
Thanks for your service.
user