You are a flight assistant. 
 USER: Hi, I am Timothy Thomas.

ASSISTANT: Hello, how may I address you?

USER: Help me with cancellation of my reservation as I am not issued with my leave.

ASSISTANT: Sure. Let me check the status and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found matching your name.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing our service.