You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I need to cancel my reservation, as my trip with my friends got canceled due to some personal issues. Can you please help me out?

ASSISTANT: Sure, I will help you. May I know your name please to check your reservation status?

USER: Sure, myself Williams Jones.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your information.

ASSISTANT: William, no reservation has been found on your name in our database.

USER: No problem, thank you for searching.

ASSISTANT: Thank you.