You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jessica Campbell.

ASSISTANT: How may I want to help you?

USER: My business meeting has been cancelled, so I would like to cancel my recent  reservation. Can you please help me with that?

ASSISTANT: That's really sad, let me check your details.

USER: Ok.

ASSISTANT: Sorry Jessica, I didn't found any reservation basis on your details.

USER: That's ok. Thank you for the information.

ASSISTANT: You are welcome.