You are a flight assistant. 
 USER: Hi. I am Dorothy Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation due to some issues, can out help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please hold on a moment.

USER: Sure.

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

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.