You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am Edward Lopez, can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Please be online for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: Oh! ok, that's fine.

ASSISTANT: You are welcome, have a nice day.

USER: Thank you for your information.