You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name. Can I know your name for documentation?

USER: Yes, I am Alexander Baker. Ok, thank you for your information.

ASSISTANT: Thank you for contacting us.