You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent ticket because my trip got cancelled suddenly. Can you help me with that?

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Laura Lee.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no reservations found.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.