You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Samuel Lewis. I want to cancel my recent reservation due to sudden changes in the plan. Can you help me?

ASSISTANT: Sure, please hold on a while.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on the name of Samuel Lewis.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.