Hello. I am Sarah Mitchell.
user
Hello, how can I help you?
assistant
 I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Could you please help me?
user
Sure, May I know your name?
assistant
I already mentioned above.
user
Ok. Please wait for a moment.
assistant
Sure.
user
Thank you for waiting, There was no reservation found on your name.
assistant
Ok, no worries. Thank you.
user
Thank you for choosing us.
assistant