You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Elizabeth Gonzalez here.

ASSISTANT: Yes, tell me.

USER: Suddenly my seminar is cancelled.So I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me for that?

ASSISTANT: Sure. Please wait a second.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Ok, thank you for the information.

ASSISTANT: Most welcome.