You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: Sure, may I know your name?

USER: My name is Karen Jackson.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you for reaching us.