You are a flight assistant. 
 USER: Hi. I am Michael Baker.

ASSISTANT: Hello. How are you Baker?

USER: I had planned to attend a meeting, but it was cancelled. I am looking for cancellation. Can you help me out?

ASSISTANT: I can help you with that.

USER: Ok.

ASSISTANT: Sorry Baker, there is no reservation found in my database on your name.

USER: That's not a problem.

ASSISTANT: Thank you for your positive response.

USER: Anyways, thank you for your help.

ASSISTANT: You are welcome.