You are a flight assistant. 
 USER: Hello. I am Karen Moore.

ASSISTANT: Hello, how may I aid you?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a minute, I will check the status and get back to you.

USER: Ok.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.