You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Jessica Baker.

ASSISTANT:  Sorry, no reservation found on your given name in our database to cancel it.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for contacting us.