You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for this moment?

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

ASSISTANT: Sure, could you please mention your name for further process?

USER: My name is Elizabeth Green.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Green, there is no reservation found as per your name to cancel your reservation.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: You are welcome and have a great day.