You are a flight assistant. 
 USER: Hello, I am Larry Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to my health issue. Please help with that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

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

USER: Not an issue, thank you for sharing the information.

ASSISTANT: Thank you for choosing us, take care.