You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: My name is Ronald Adams, I want to cancel my reservation due to cancel of my conference.

ASSISTANT: Sure, please wait for a while, I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: No issue, thank you for your service.

ASSISTANT: Thank you for reaching us.