You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Harris here.

ASSISTANT: Harris, how can I assist you?

USER: I want to cancel my active reservation due to some personal issue, will you help me?

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

USER: Sure.

ASSISTANT: Harris, I did not find any reservation by your name in our database.

USER: Ok, not an issue. Thank you for the information.

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