You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Will you please help me in cancelling my reservation as the food festival which I have planned to attend got postponed?

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: I am Sandra Williams.

ASSISTANT: Please, stay online. I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: No reservation was found on your name.

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

ASSISTANT: Thank you for reaching us, have a good day.