You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Virginia Williams, owing to an emergency I want to cancel my ticket. Can you help me?

ASSISTANT: Sure, I will help you with that. Please be hold on for a moment and I will check for existence of reservation.

USER: Thank you. Take your time.

ASSISTANT: Thank you for waiting. Sorry Virginia, there is no reservation found under your name.

USER: No issues. Thank you for checking.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.

USER: You are welcome.