You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Brian Gonzalez, want to cancel my recent reservation, because there is a emergency meeting with higher officials at office. So, can you help me in this?

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: Sorry, we did not found any reservation on your name.

USER: Ok, thanks for sharing the status, I am glad at your quick response.

ASSISTANT: Thank you for reaching us.