You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

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

ASSISTANT: Sure, we are glad to help you. Please wait for sometime, I will check the status and inform you.

USER: Sure, please check the reservation on the name of Alexander Robinson.

ASSISTANT: Thanks for providing your name.

USER: Ok.

ASSISTANT: Sorry to say that, we did not find any reservation on your name in our database.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for availing us.