You are a flight assistant. 
 USER: Hi. I am Larry Clark.

ASSISTANT: Hello. How can I assist you now?

USER: Owing an emergence, I want to cancel my recent reservation.

ASSISTANT: Sure, I am happy to help you with that. Please wait a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry to inform you that no reservation has found under your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for choosing us, have a good day.