You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Frank Roberts, I want to cancel my reservation as my plan to visit my cousin is cancelled. Can you help me with cancellation?

ASSISTANT: Sure, I will help you with that. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found the reservation on your name, are you sure you want to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled and your ticket fare will be refunded to your bank account.

USER: Thank you for cancel my ticket.

ASSISTANT: Thank you for opting us.