You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation due to my health issue, can you help me out?

ASSISTANT: Sure. May I know your name?

USER: My name is Helen Adams.

ASSISTANT: Please, wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to cancel.

USER: Ok, No issues, thanks for the information.

ASSISTANT: Thank you for approaching us.