You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have made an earlier reservation to attend for a meeting, due to some issues it has been postponed. Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Please check my reservation on the name of Amy Hernandez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.