You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Betty Nelson. As I need to meet my friends after a long time. I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I can help you with it.

USER: Thanks.

ASSISTANT: There is no reservation with your details.

USER: It's fine.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.