You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samuel Martin. I need to cancel my recent reservation due to abnormal weather conditions. Could you please help me?

ASSISTANT: Sure. wait a minute.

USER: Ok.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.