You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I aid you?

USER: My name is Lisa Clark. I need my recent reservation to get cancelled.

ASSISTANT: Sure, I am happy to help you. Please give me a minute, I will check the status and revert you.

USER: Ok.

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

USER: Thanks.

ASSISTANT: Thank you for opting us.