You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am George Evans. Can please help me to cancel my reservation?

ASSISTANT: Sure, we are here to help you. Just wait a moment to track your details.

USER: Ok.

ASSISTANT: I regret, there was no reservation on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for consulting us.