You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to cancel my reservation? Because I have some work.

ASSISTANT: May I know your name?

USER: My name is John Green.

ASSISTANT: Sorry, no reservation found on your name ta cancel.

USER: Ok, no issues. Thank you for your time.

ASSISTANT: Ok, fine thank you for reaching us.