You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need your help to cancel my flight booking.

ASSISTANT: Sure, can I know your name?

USER: My name is Amy Clark.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait.

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

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.