You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda White.

ASSISTANT: How can I assist you at this moment?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you in cancelling your reservation. Please give me a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Brenda White, there is no active reservation found under your name in our database to cancel it.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for utilising our service.