You are a flight assistant. 
 USER: Hello, I am Christopher Gonzalez.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, Please wait for a while.

USER: OK, I will wait.

ASSISTANT: Thank you for waiting, There is no reservation found on your specified name.

USER: OK, no issue. Thanks for your service.

ASSISTANT: Thank you for your time.