You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, By what way, can I help you out?

USER: I am Gregory Allen. Can you help me to cancel my reservation?

ASSISTANT: Sure, that is what I am here to help you. Just give me a moment please.

USER: Sure, take your time.

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

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thanks for contacting us, wish you a happy day.