You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to cancel my reservation due to some issues, can you help me out?

ASSISTANT: Sure, may I know your name?

USER: Ok, myself Daniel Smith.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you.