You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Nicholas Walker. I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, wait a minute.

USER: Sure.

ASSISTANT: We could not find any reservation on your name.

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

ASSISTANT: Thank you for reaching us.