You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Due to some health issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: Thank you for waiting for my response. May I know your name to check the reservation you need in our records?

USER: My name is Ryan Williams.

ASSISTANT: Sorry, there is no flight ticket been booked on your name to cancel. Thank you for choosing our agency.

USER: Thank you for your information.