You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Rachel Wilson. I want to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, we are happy to help you. Please wait for a while.

USER: Thank you. Sure.

ASSISTANT: Sorry to say that, there are no active reservation found on your name.

USER: It's ok, no problem. Thank you.

ASSISTANT: Thank you for communicating with us.