You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation as my schedule got cancelled suddenly. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my request.

ASSISTANT: May I know your name?

USER: Sure, my name is Eric Johnson.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.