You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency I had to request for this cancel reservation. Can you please cancel my reservation?

ASSISTANT: Sure, we are here to help you. May I have your name please?

USER: Sure, I am Anthony Collins.

ASSISTANT: Please hold on a moment, I will get back to you with the status of your reservation.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, no existing reservation was found on the name of Anthony Collins in the database.

USER: Ok, Thanks for your help.

ASSISTANT: Thank you for opting us.