You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation due to sudden change in my trip.

ASSISTANT: Sure, may I know your good name?

USER: I am William White.

ASSISTANT: Thanks for providing your good name. No reservation was found with your name.

USER: Ok.

ASSISTANT: Thanks for connecting with us.

USER: Thank you for your response.