You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation which is done recently, can you please help me?

ASSISTANT: Sure, can I know your name please?

USER: Ok, my name is Cynthia Jackson.

ASSISTANT: Ok, wait a moment please.

USER: Ok, I will wait.

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

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Anyways, thank you for your service.