You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Debra Scott here.

ASSISTANT: How can I assist you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Debra, there is no reservation found under your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.