You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Hill.

ASSISTANT: How may I help you?

USER: Due to some financial issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you. Please wait, let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry, no reservation found under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.