You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, may I know your name?

USER: My name is Nicole King.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry, we couldn't find a reservation on your name.

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

ASSISTANT: Thank you for choosing us.