You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: I am Carolyn Campbell. I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Carolyn Campbell, there is no active reservation found under your name in our database.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for utilizing our service.