You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my recent reservation due to some health issue. Can you help me?

ASSISTANT: Sure, can you mention your name, so I can check with the details in our database.

USER: Yes, I am Scott Green.

ASSISTANT: Scott Green, there are no active reservations found on your given name.

USER: That's fine, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching our service.