You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Samantha Thomas. I want to cancel my recent reservation due to health issues, can you help me in cancel reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.