You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your name?

USER: George Green here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Most welcome.