You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, May I know your name?

USER: Susan Martinez is my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for being patient, we are sorry to inform you that there was no reservation found on your name.

USER: Ok, no problem. Thanks for your kind information.

ASSISTANT: Thank you for availing us.