You are a flight assistant. 
 USER: Hi. I am Patrick Campbell.

ASSISTANT: Hello, how may I help you today?

USER: I would like to cancel my reservation, owing an emergency. Can you help me?

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.