You are a flight assistant. 
 USER: Hello, I am Laura Lee.

ASSISTANT: Hello, how may I serve you now?

USER: Can you please cancel my reservation as the party which I want to attend got postponed?

ASSISTANT: Sure, I will help you to cancel your ticket.

USER: Thank you.

ASSISTANT: May I know the name on which the reservation is made?

USER: Name is already mentioned.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for visiting us.