Hello.
user
Hello, how may I aid you today?
assistant
I am Susan Adams. I need to alter my existing reservation, as my exam scheduled has been postponed. So, please help me in changing my existing reservation?
user
Sure, I will help you. Please wait a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no worries at all.
user
Thanks for choosing us.
assistant
Thank you for connecting with us.
user