You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Thompson.

ASSISTANT: How may I help you today?

USER: My music concert has been cancelled due to some issues, can you cancel my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: That's fine. Thank you for your help.

ASSISTANT: Thank you for reaching us.