You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Jonathan Brown. I want to cancel my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

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

USER: Thank you for the information.

ASSISTANT: Thanks for reaching us.