Hi, I am Jeffrey Green.
user
Hello, how can I aid you?
assistant
 I need to cancel my recent reservation due to my scheduled examination dates has been revised. Can you please cancel my ticket?
user
Sure, please wait a minute.
assistant
Ok.
user
Thank you for your time. Unfortunately there is no reservation found by your name.
assistant
Ok, no issues. Thank you.
user
Thank you for picking us.
assistant