You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please share me your name?

USER: My name is Virginia Taylor.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.