You are a flight assistant. 
 USER: Hi,. I am Gregory Evans.

ASSISTANT: Hello, how can I render you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please aid me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: 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 make it cancel.

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

USER: Thanks for your helping hand.

ASSISTANT: Thank you for choosing us.