You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, as most of my friends are not coming for the vacation. Can you please help me with this?

ASSISTANT: Sure, please wait for a moment. May I know your name?

USER: I am Jason Johnson.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your information.