You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your good name please?

USER: My name is Jack Rodriguez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found with your name.

USER: Ok, no problem.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you for your information.