You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to some technical issue in our office they are rejected my leaves so, I want cancel my reservation. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Myself Larry Rodriguez.

ASSISTANT: Sorry Larry, no reservation found on your name.

USER: No problem.

ASSISTANT: Do you need any other help?

USER: No thanks. Thank you for checking.

ASSISTANT: Ok, thank you for approaching us.