Hello.
user
Hi,.
assistant
I am Mary Martin.
user
How may help you?
assistant
I would like to cancel my recent reservation due to my programme has shifted to another date. Will you please help me?
user
Sure I will help you definitely help you . May I know your name .
assistant
I am Mary Martin.
user
I am sorry I  could not find any reservation on your name .
assistant
OK, it's fine. Thank you for your help.
user
Thank you .
assistant