You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation due to my health issue, so can you please help me with this?

ASSISTANT: Sure, I am gleeful to aid you with the ticket cancellation process. Can I know your name please?

USER: My name is Michael Martinez.

ASSISTANT: Ok, please give me sometime to check the reservation status.

USER: Sure.

ASSISTANT: Sorry to tell you, there is no active reservation found on your name to cancel.

USER: Not a problem, thank you for the information.

ASSISTANT: You are most welcome. Thank you for approaching us.