You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I support you?

USER: Please cancel my recent reservation. I am Larry Smith.

ASSISTANT: Sure, we are happy to help you. Please be on hold, I will check the status and revert you.

USER: Ok.

ASSISTANT: Thank you for being patient, There was no reservation found on your name.

USER: Thanks.

ASSISTANT: Thank you for opting us.