You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I want to cancel my recent reservation, due to health issue.

ASSISTANT: Ok, may I know your name?

USER: Myself Brian Perez.

ASSISTANT: Ok, please wait for a while, I will check the reservation list and let you know.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting but, no reservation is found on your name to proceed with cancellation.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thanks for reaching us.