You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I will do that for you. Please be online for a while, I will check your reservation status and let you know.

USER: Sure.

ASSISTANT: I did not find any reservation under your name in our database.

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

ASSISTANT: You are welcome and thank you for reaching us.