You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, can I know your name?

USER: Sure, my name is Virginia Moore.

ASSISTANT: Please hold on a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.