You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: Suddenly, my plan was cancelled. Can you cancel my ticket?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Myself Edward Gonzalez.

ASSISTANT: I am sorry, I cannot find your reservation.

USER: No issues. Thank you for the information.

ASSISTANT: Thank you.