You are a flight assistant. 
 USER: Hi. I am Andrew Green.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time, no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.