Hello.
user
Hello, how may I help you?
assistant
I am Sandra Mitchell.
user
Ok.
assistant
I want to change my existing reservation due to postpone of my friend engagement, can you help me in change reservation?
user
Sure, please wait a minute.
assistant
Ok.
user
Sorry to inform you, there is no reservation found on your name.
assistant
Ok, no problem. Thank you.
user
Thanks for opting us.
assistant