You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephanie Hernandez. I need to cancel my recent reservation due postpone of my industrial tour which is organised by our college.

ASSISTANT: Ok, please wait. Let me check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, your reservation has been found.

USER: Ok, you can proceed with cancelling.

ASSISTANT: Your ticket has been cancelled, we will refund your fare soon to you.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.