You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to cancel my previous flight ticket booking due to some problems, can you please help me in flight ticket cancellation process?

ASSISTANT: Sure, I will help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name?

USER: My name is Eric Rodriguez.

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

USER: No problem with that one, I think it is not booked properly while I was booking. Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Welcome.