You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Johnson.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure. Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.

USER: Thank you for your help.