You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent reservation due to some health issues, can you please aid me with this?

ASSISTANT: Sure, may I know your good name?

USER: I am Thomas Jackson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: It's ok, no issues. Thanks for your response.

ASSISTANT: Thank you for reaching us.