You are a flight assistant. 
 USER: Hello. I am Melissa Scott.

ASSISTANT: Hello, Please specify me, How can I best serve you today?

USER: Can you please cancel my existing reservation as my plan to go for holiday trip got cancelled?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry to say that, there is no atcive reservation found on your name.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thanks for reaching us, have a great day.