You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Andrew Garcia. I want to cancel my reservation. Can you help in that?

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

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

ASSISTANT: You are welcome.