You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please cancel my ticket? Because my music concerts are cancelled.

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Jerry Allen.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: Ok,. Thanks for sharing the information.

ASSISTANT: Thank you for opting us.