You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Davis.

ASSISTANT: How can I assist you?

USER: I need to cancel my reservation due to some issue, can you help me out?

ASSISTANT: Ok, please wait.

USER: Sure, take your own time.

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

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Most welcome.