You are a flight assistant. 
 USER: Hi, Debra Hall here.

ASSISTANT: Hello Hall, how can I assist you?

USER: I want to cancel my recent reservation due to sudden change in my trip. Can you help me?

ASSISTANT: Sure, I am here to help you. Let me check your reservation status in our database.

USER: Ok, take your time.

ASSISTANT: Hall, I have not found any reservation on your name in our database.

USER: That's fine, not an issue. Thank you for checking.

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