You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide your name to check the reservation status?

USER: OK. Brian Thomas is here.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry Thomas, there is no active reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.