You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Samantha Allen. I would like to cancel my flight reservation as I am unwell. Please help me.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for approaching us.