You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to heavy rainfall, can you please help me with that?

ASSISTANT: Sure, may I know your name to check your reservation from our database?

USER: My name is Charles Perez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We regret to inform you that there is no active reservation found on your name to cancel.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.