You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share your name to proceed further?

USER: Myself Sarah Robinson.

ASSISTANT: Please stand by.

USER: Sure.

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

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for contacting us.