You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephanie Collins. I need to cancel my recent reservation due to cancel of my conference. Could you please help me?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: No problem, thank you for your help.

ASSISTANT: Thanks for reaching us.