You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you. Let me know your name, please.

USER: Thank you. Yes, I am Patricia Smith.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Ok, not an problem. Thank you for your help.

ASSISTANT: Thank you for approaching us.