You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Anna Martinez.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your time, we did not find any reservation on your name.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for opting us.