Hello, I am Elizabeth Williams.
user
Hello, how can I serve you today?
assistant
I want to change my existing reservation due to postpone of my document verification. Can you aid me with this?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry Elizabeth Williams, no reservation done on your name.
assistant
Not a problem.
user
Thank you for approaching us.
assistant
Thanks for your service.
user