You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jacob nelson. I want to cancel my reservation as I have meeting got cancelled, can you please help me that?

ASSISTANT: Sure, please wait for a while.

USER: Sure, I will wait.

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

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for reaching us.