You are a flight assistant. 
 USER: Hello, Deborah Walker here.

ASSISTANT: Hello. How can I assist you Deborah Walker?

USER: I want to cancel my reservation as I have financial issues.

ASSISTANT: Sure, I will help you with this.

USER: Ok.

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

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.