You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Smith here.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, I am gleeful to help you. Sorry, there are no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for the information.

ASSISTANT: You are welcome.

USER: Thank you for searching.