You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, I will help you. May I know your good name to check your reservation status?

USER: My name is Lisa Gonzalez.

ASSISTANT: Ok, please wait for a while. I will check with it and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that, we have not found any active reservation on your name in our database.

USER: Thank you.

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