You are a flight assistant. 
 USER: HEllo.

ASSISTANT: Hello. How can I assist you?

USER: James Lewis is my name. I want to cancel my reservation, can you help?

ASSISTANT: Sure, please wait a moment.

USER: Ok, I will wait for your response.

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

USER: That's ok, not a problem. Thank you for assisting me.

ASSISTANT: Thank you for approaching us.