You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I will help you. May I know your name?

USER: I am Nicholas Garcia.

ASSISTANT: Garcia, please wait for a while. I will check your reservation status and get back to you.

USER: Ok.

ASSISTANT: I found your reservation, shall I cancel it?

USER: Please cancel.

ASSISTANT: Garcia, I have cancelled your reservation successfully.

USER: Thanks.

ASSISTANT: You are welcome and have a nice day.